Home / 42,807.55-64,195.36-14,719.66

Finding the Fourth Proportional to 42,807.55, 64,195.36 and 14,719.66

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Solution

The fourth proportional to 42,807.55, 64,195.36 and 14,719.66 is: 22,074.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,807.55 : 64,195.36 = 14,719.66 : x
  2. Step 2: Convert to fraction form
    42,807.55/64,195.36 = 14,719.66/x
  3. Step 3: Cross multiply
    42,807.55x = 64,195.36 × 14,719.66
  4. Step 4: Simplify right side
    42,807.55x = 944,933,872.78
  5. Step 5: Solve for x
    x = 944,933,872.78/42,807.55
  6. Step 6: Final answer
    x = 22,074.00

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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.