Home / 22,516.18-31,072.02-12,444.79

Finding the Fourth Proportional to 22,516.18, 31,072.02 and 12,444.79

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Solution

The fourth proportional to 22,516.18, 31,072.02 and 12,444.79 is: 17,173.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,516.18 : 31,072.02 = 12,444.79 : x
  2. Step 2: Convert to fraction form
    22,516.18/31,072.02 = 12,444.79/x
  3. Step 3: Cross multiply
    22,516.18x = 31,072.02 × 12,444.79
  4. Step 4: Simplify right side
    22,516.18x = 386,684,898.77
  5. Step 5: Solve for x
    x = 386,684,898.77/22,516.18
  6. Step 6: Final answer
    x = 17,173.65

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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.