Home / 44,005.28-66,011.80-12,415.62

Finding the Fourth Proportional to 44,005.28, 66,011.80 and 12,415.62

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Solution

The fourth proportional to 44,005.28, 66,011.80 and 12,415.62 is: 18,624.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,005.28 : 66,011.80 = 12,415.62 : x
  2. Step 2: Convert to fraction form
    44,005.28/66,011.80 = 12,415.62/x
  3. Step 3: Cross multiply
    44,005.28x = 66,011.80 × 12,415.62
  4. Step 4: Simplify right side
    44,005.28x = 819,577,192.29
  5. Step 5: Solve for x
    x = 819,577,192.29/44,005.28
  6. Step 6: Final answer
    x = 18,624.52

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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.