Home / 19,755.04-29,611.20-9,874.72

Finding the Fourth Proportional to 19,755.04, 29,611.20 and 9,874.72

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Solution

The fourth proportional to 19,755.04, 29,611.20 and 9,874.72 is: 14,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.04 : 29,611.20 = 9,874.72 : x
  2. Step 2: Convert to fraction form
    19,755.04/29,611.20 = 9,874.72/x
  3. Step 3: Cross multiply
    19,755.04x = 29,611.20 × 9,874.72
  4. Step 4: Simplify right side
    19,755.04x = 292,402,308.86
  5. Step 5: Solve for x
    x = 292,402,308.86/19,755.04
  6. Step 6: Final answer
    x = 14,801.40

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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.