Home / 22,657.45-31,267.85-12,585.41

Finding the Fourth Proportional to 22,657.45, 31,267.85 and 12,585.41

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Solution

The fourth proportional to 22,657.45, 31,267.85 and 12,585.41 is: 17,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,657.45 : 31,267.85 = 12,585.41 : x
  2. Step 2: Convert to fraction form
    22,657.45/31,267.85 = 12,585.41/x
  3. Step 3: Cross multiply
    22,657.45x = 31,267.85 × 12,585.41
  4. Step 4: Simplify right side
    22,657.45x = 393,518,743.53
  5. Step 5: Solve for x
    x = 393,518,743.53/22,657.45
  6. Step 6: Final answer
    x = 17,368.18

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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.