Home / 25,671.92-35,417.28-15,057.68

Finding the Fourth Proportional to 25,671.92, 35,417.28 and 15,057.68

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Solution

The fourth proportional to 25,671.92, 35,417.28 and 15,057.68 is: 20,773.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,671.92 : 35,417.28 = 15,057.68 : x
  2. Step 2: Convert to fraction form
    25,671.92/35,417.28 = 15,057.68/x
  3. Step 3: Cross multiply
    25,671.92x = 35,417.28 × 15,057.68
  4. Step 4: Simplify right side
    25,671.92x = 533,302,068.71
  5. Step 5: Solve for x
    x = 533,302,068.71/25,671.92
  6. Step 6: Final answer
    x = 20,773.75

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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.