Home / 22,513.01-31,068.63-12,442.11

Finding the Fourth Proportional to 22,513.01, 31,068.63 and 12,442.11

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Solution

The fourth proportional to 22,513.01, 31,068.63 and 12,442.11 is: 17,170.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,513.01 : 31,068.63 = 12,442.11 : x
  2. Step 2: Convert to fraction form
    22,513.01/31,068.63 = 12,442.11/x
  3. Step 3: Cross multiply
    22,513.01x = 31,068.63 × 12,442.11
  4. Step 4: Simplify right side
    22,513.01x = 386,559,312.01
  5. Step 5: Solve for x
    x = 386,559,312.01/22,513.01
  6. Step 6: Final answer
    x = 17,170.49

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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.