Home / 25,412.13-35,068.74-15,476.13

Finding the Fourth Proportional to 25,412.13, 35,068.74 and 15,476.13

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Solution

The fourth proportional to 25,412.13, 35,068.74 and 15,476.13 is: 21,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,412.13 : 35,068.74 = 15,476.13 : x
  2. Step 2: Convert to fraction form
    25,412.13/35,068.74 = 15,476.13/x
  3. Step 3: Cross multiply
    25,412.13x = 35,068.74 × 15,476.13
  4. Step 4: Simplify right side
    25,412.13x = 542,728,126.45
  5. Step 5: Solve for x
    x = 542,728,126.45/25,412.13
  6. Step 6: Final answer
    x = 21,357.05

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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.