Home / 22,657.77-31,267.29-12,585.76

Finding the Fourth Proportional to 22,657.77, 31,267.29 and 12,585.76

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Solution

The fourth proportional to 22,657.77, 31,267.29 and 12,585.76 is: 17,368.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,657.77 : 31,267.29 = 12,585.76 : x
  2. Step 2: Convert to fraction form
    22,657.77/31,267.29 = 12,585.76/x
  3. Step 3: Cross multiply
    22,657.77x = 31,267.29 × 12,585.76
  4. Step 4: Simplify right side
    22,657.77x = 393,522,607.79
  5. Step 5: Solve for x
    x = 393,522,607.79/22,657.77
  6. Step 6: Final answer
    x = 17,368.11

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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.