Home / 20,862.98-31,294.11-5,068.14

Finding the Fourth Proportional to 20,862.98, 31,294.11 and 5,068.14

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Solution

The fourth proportional to 20,862.98, 31,294.11 and 5,068.14 is: 7,602.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,862.98 : 31,294.11 = 5,068.14 : x
  2. Step 2: Convert to fraction form
    20,862.98/31,294.11 = 5,068.14/x
  3. Step 3: Cross multiply
    20,862.98x = 31,294.11 × 5,068.14
  4. Step 4: Simplify right side
    20,862.98x = 158,602,774.18
  5. Step 5: Solve for x
    x = 158,602,774.18/20,862.98
  6. Step 6: Final answer
    x = 7,602.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.