Home / 22,521.39-31,082.36-13,088.13

Finding the Fourth Proportional to 22,521.39, 31,082.36 and 13,088.13

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Solution

The fourth proportional to 22,521.39, 31,082.36 and 13,088.13 is: 18,063.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,521.39 : 31,082.36 = 13,088.13 : x
  2. Step 2: Convert to fraction form
    22,521.39/31,082.36 = 13,088.13/x
  3. Step 3: Cross multiply
    22,521.39x = 31,082.36 × 13,088.13
  4. Step 4: Simplify right side
    22,521.39x = 406,809,968.39
  5. Step 5: Solve for x
    x = 406,809,968.39/22,521.39
  6. Step 6: Final answer
    x = 18,063.27

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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.