Home / 35,543.70-53,301.15-12,158.10

Finding the Fourth Proportional to 35,543.70, 53,301.15 and 12,158.10

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Solution

The fourth proportional to 35,543.70, 53,301.15 and 12,158.10 is: 18,232.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,543.70 : 53,301.15 = 12,158.10 : x
  2. Step 2: Convert to fraction form
    35,543.70/53,301.15 = 12,158.10/x
  3. Step 3: Cross multiply
    35,543.70x = 53,301.15 × 12,158.10
  4. Step 4: Simplify right side
    35,543.70x = 648,040,711.82
  5. Step 5: Solve for x
    x = 648,040,711.82/35,543.70
  6. Step 6: Final answer
    x = 18,232.22

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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.