Home / 25,685.38-35,446.02-14,355.28

Finding the Fourth Proportional to 25,685.38, 35,446.02 and 14,355.28

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Solution

The fourth proportional to 25,685.38, 35,446.02 and 14,355.28 is: 19,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685.38 : 35,446.02 = 14,355.28 : x
  2. Step 2: Convert to fraction form
    25,685.38/35,446.02 = 14,355.28/x
  3. Step 3: Cross multiply
    25,685.38x = 35,446.02 × 14,355.28
  4. Step 4: Simplify right side
    25,685.38x = 508,837,541.99
  5. Step 5: Solve for x
    x = 508,837,541.99/25,685.38
  6. Step 6: Final answer
    x = 19,810.40

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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.