Home / 25,507.80-35,218.26-19,528.92

Finding the Fourth Proportional to 25,507.80, 35,218.26 and 19,528.92

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Solution

The fourth proportional to 25,507.80, 35,218.26 and 19,528.92 is: 26,963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,507.80 : 35,218.26 = 19,528.92 : x
  2. Step 2: Convert to fraction form
    25,507.80/35,218.26 = 19,528.92/x
  3. Step 3: Cross multiply
    25,507.80x = 35,218.26 × 19,528.92
  4. Step 4: Simplify right side
    25,507.80x = 687,774,582.08
  5. Step 5: Solve for x
    x = 687,774,582.08/25,507.80
  6. Step 6: Final answer
    x = 26,963.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.