Home / 22,581.10-31,160.95-12,509.96

Finding the Fourth Proportional to 22,581.10, 31,160.95 and 12,509.96

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Solution

The fourth proportional to 22,581.10, 31,160.95 and 12,509.96 is: 17,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,581.10 : 31,160.95 = 12,509.96 : x
  2. Step 2: Convert to fraction form
    22,581.10/31,160.95 = 12,509.96/x
  3. Step 3: Cross multiply
    22,581.10x = 31,160.95 × 12,509.96
  4. Step 4: Simplify right side
    22,581.10x = 389,822,238.06
  5. Step 5: Solve for x
    x = 389,822,238.06/22,581.10
  6. Step 6: Final answer
    x = 17,263.21

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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.