Home / 29,379.04-40,543.00-15,950.18

Finding the Fourth Proportional to 29,379.04, 40,543.00 and 15,950.18

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Solution

The fourth proportional to 29,379.04, 40,543.00 and 15,950.18 is: 22,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379.04 : 40,543.00 = 15,950.18 : x
  2. Step 2: Convert to fraction form
    29,379.04/40,543.00 = 15,950.18/x
  3. Step 3: Cross multiply
    29,379.04x = 40,543.00 × 15,950.18
  4. Step 4: Simplify right side
    29,379.04x = 646,668,209.22
  5. Step 5: Solve for x
    x = 646,668,209.22/29,379.04
  6. Step 6: Final answer
    x = 22,011.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.