Home / 25,685.16-35,445.53-14,355.12

Finding the Fourth Proportional to 25,685.16, 35,445.53 and 14,355.12

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Solution

The fourth proportional to 25,685.16, 35,445.53 and 14,355.12 is: 19,810.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685.16 : 35,445.53 = 14,355.12 : x
  2. Step 2: Convert to fraction form
    25,685.16/35,445.53 = 14,355.12/x
  3. Step 3: Cross multiply
    25,685.16x = 35,445.53 × 14,355.12
  4. Step 4: Simplify right side
    25,685.16x = 508,824,836.61
  5. Step 5: Solve for x
    x = 508,824,836.61/25,685.16
  6. Step 6: Final answer
    x = 19,810.07

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Double scale
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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.