Home / 40,564.80-60,854.10-12,484.22

Finding the Fourth Proportional to 40,564.80, 60,854.10 and 12,484.22

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Solution

The fourth proportional to 40,564.80, 60,854.10 and 12,484.22 is: 18,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,564.80 : 60,854.10 = 12,484.22 : x
  2. Step 2: Convert to fraction form
    40,564.80/60,854.10 = 12,484.22/x
  3. Step 3: Cross multiply
    40,564.80x = 60,854.10 × 12,484.22
  4. Step 4: Simplify right side
    40,564.80x = 759,715,668.03
  5. Step 5: Solve for x
    x = 759,715,668.03/40,564.80
  6. Step 6: Final answer
    x = 18,728.45

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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.