Home / 22,657.95-31,266.89-12,587.04

Finding the Fourth Proportional to 22,657.95, 31,266.89 and 12,587.04

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Solution

The fourth proportional to 22,657.95, 31,266.89 and 12,587.04 is: 17,369.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,657.95 : 31,266.89 = 12,587.04 : x
  2. Step 2: Convert to fraction form
    22,657.95/31,266.89 = 12,587.04/x
  3. Step 3: Cross multiply
    22,657.95x = 31,266.89 × 12,587.04
  4. Step 4: Simplify right side
    22,657.95x = 393,557,532.17
  5. Step 5: Solve for x
    x = 393,557,532.17/22,657.95
  6. Step 6: Final answer
    x = 17,369.51

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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.