Home / 28,522.61-42,746.56-13,702.04

Finding the Fourth Proportional to 28,522.61, 42,746.56 and 13,702.04

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Solution

The fourth proportional to 28,522.61, 42,746.56 and 13,702.04 is: 20,535.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,522.61 : 42,746.56 = 13,702.04 : x
  2. Step 2: Convert to fraction form
    28,522.61/42,746.56 = 13,702.04/x
  3. Step 3: Cross multiply
    28,522.61x = 42,746.56 × 13,702.04
  4. Step 4: Simplify right side
    28,522.61x = 585,715,147.59
  5. Step 5: Solve for x
    x = 585,715,147.59/28,522.61
  6. Step 6: Final answer
    x = 20,535.12

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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.