Home / 22,948.47-31,670.46-12,877.74

Finding the Fourth Proportional to 22,948.47, 31,670.46 and 12,877.74

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Solution

The fourth proportional to 22,948.47, 31,670.46 and 12,877.74 is: 17,772.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,948.47 : 31,670.46 = 12,877.74 : x
  2. Step 2: Convert to fraction form
    22,948.47/31,670.46 = 12,877.74/x
  3. Step 3: Cross multiply
    22,948.47x = 31,670.46 × 12,877.74
  4. Step 4: Simplify right side
    22,948.47x = 407,843,949.56
  5. Step 5: Solve for x
    x = 407,843,949.56/22,948.47
  6. Step 6: Final answer
    x = 17,772.16

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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.