Home / 25,688.16-35,434.08-17,716.32

Finding the Fourth Proportional to 25,688.16, 35,434.08 and 17,716.32

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Solution

The fourth proportional to 25,688.16, 35,434.08 and 17,716.32 is: 24,437.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688.16 : 35,434.08 = 17,716.32 : x
  2. Step 2: Convert to fraction form
    25,688.16/35,434.08 = 17,716.32/x
  3. Step 3: Cross multiply
    25,688.16x = 35,434.08 × 17,716.32
  4. Step 4: Simplify right side
    25,688.16x = 627,761,500.19
  5. Step 5: Solve for x
    x = 627,761,500.19/25,688.16
  6. Step 6: Final answer
    x = 24,437.78

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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.