Home / 19,613.10-29,432.16-7,131.94

Finding the Fourth Proportional to 19,613.10, 29,432.16 and 7,131.94

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Solution

The fourth proportional to 19,613.10, 29,432.16 and 7,131.94 is: 10,702.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.10 : 29,432.16 = 7,131.94 : x
  2. Step 2: Convert to fraction form
    19,613.10/29,432.16 = 7,131.94/x
  3. Step 3: Cross multiply
    19,613.10x = 29,432.16 × 7,131.94
  4. Step 4: Simplify right side
    19,613.10x = 209,908,399.19
  5. Step 5: Solve for x
    x = 209,908,399.19/19,613.10
  6. Step 6: Final answer
    x = 10,702.46

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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.