Home / 19,323.76-26,666.28-11,364.16

Finding the Fourth Proportional to 19,323.76, 26,666.28 and 11,364.16

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Solution

The fourth proportional to 19,323.76, 26,666.28 and 11,364.16 is: 15,682.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,323.76 : 26,666.28 = 11,364.16 : x
  2. Step 2: Convert to fraction form
    19,323.76/26,666.28 = 11,364.16/x
  3. Step 3: Cross multiply
    19,323.76x = 26,666.28 × 11,364.16
  4. Step 4: Simplify right side
    19,323.76x = 303,039,872.52
  5. Step 5: Solve for x
    x = 303,039,872.52/19,323.76
  6. Step 6: Final answer
    x = 15,682.24

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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.