Home / 19,407.20-29,108.56-5,368.24

Finding the Fourth Proportional to 19,407.20, 29,108.56 and 5,368.24

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Solution

The fourth proportional to 19,407.20, 29,108.56 and 5,368.24 is: 8,051.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407.20 : 29,108.56 = 5,368.24 : x
  2. Step 2: Convert to fraction form
    19,407.20/29,108.56 = 5,368.24/x
  3. Step 3: Cross multiply
    19,407.20x = 29,108.56 × 5,368.24
  4. Step 4: Simplify right side
    19,407.20x = 156,261,736.13
  5. Step 5: Solve for x
    x = 156,261,736.13/19,407.20
  6. Step 6: Final answer
    x = 8,051.74

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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.