Home / 39,126.34-58,689.51-9,543.98

Finding the Fourth Proportional to 39,126.34, 58,689.51 and 9,543.98

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Solution

The fourth proportional to 39,126.34, 58,689.51 and 9,543.98 is: 14,315.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,126.34 : 58,689.51 = 9,543.98 : x
  2. Step 2: Convert to fraction form
    39,126.34/58,689.51 = 9,543.98/x
  3. Step 3: Cross multiply
    39,126.34x = 58,689.51 × 9,543.98
  4. Step 4: Simplify right side
    39,126.34x = 560,131,344.14
  5. Step 5: Solve for x
    x = 560,131,344.14/39,126.34
  6. Step 6: Final answer
    x = 14,315.97

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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.