Home / 40,368.75-60,562.85-12,666.75

Finding the Fourth Proportional to 40,368.75, 60,562.85 and 12,666.75

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Solution

The fourth proportional to 40,368.75, 60,562.85 and 12,666.75 is: 19,003.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,368.75 : 60,562.85 = 12,666.75 : x
  2. Step 2: Convert to fraction form
    40,368.75/60,562.85 = 12,666.75/x
  3. Step 3: Cross multiply
    40,368.75x = 60,562.85 × 12,666.75
  4. Step 4: Simplify right side
    40,368.75x = 767,134,480.24
  5. Step 5: Solve for x
    x = 767,134,480.24/40,368.75
  6. Step 6: Final answer
    x = 19,003.18

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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.