Home / 44,005.16-66,011.61-12,415.49

Finding the Fourth Proportional to 44,005.16, 66,011.61 and 12,415.49

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Solution

The fourth proportional to 44,005.16, 66,011.61 and 12,415.49 is: 18,624.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,005.16 : 66,011.61 = 12,415.49 : x
  2. Step 2: Convert to fraction form
    44,005.16/66,011.61 = 12,415.49/x
  3. Step 3: Cross multiply
    44,005.16x = 66,011.61 × 12,415.49
  4. Step 4: Simplify right side
    44,005.16x = 819,566,679.91
  5. Step 5: Solve for x
    x = 819,566,679.91/44,005.16
  6. Step 6: Final answer
    x = 18,624.33

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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.