Home / 22,516.23-31,070.61-12,445.11

Finding the Fourth Proportional to 22,516.23, 31,070.61 and 12,445.11

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Solution

The fourth proportional to 22,516.23, 31,070.61 and 12,445.11 is: 17,173.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,516.23 : 31,070.61 = 12,445.11 : x
  2. Step 2: Convert to fraction form
    22,516.23/31,070.61 = 12,445.11/x
  3. Step 3: Cross multiply
    22,516.23x = 31,070.61 × 12,445.11
  4. Step 4: Simplify right side
    22,516.23x = 386,677,159.22
  5. Step 5: Solve for x
    x = 386,677,159.22/22,516.23
  6. Step 6: Final answer
    x = 17,173.26

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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.