Home / 22,585.40-31,165.27-12,511.32

Finding the Fourth Proportional to 22,585.40, 31,165.27 and 12,511.32

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Solution

The fourth proportional to 22,585.40, 31,165.27 and 12,511.32 is: 17,264.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,585.40 : 31,165.27 = 12,511.32 : x
  2. Step 2: Convert to fraction form
    22,585.40/31,165.27 = 12,511.32/x
  3. Step 3: Cross multiply
    22,585.40x = 31,165.27 × 12,511.32
  4. Step 4: Simplify right side
    22,585.40x = 389,918,665.86
  5. Step 5: Solve for x
    x = 389,918,665.86/22,585.40
  6. Step 6: Final answer
    x = 17,264.19

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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.