Home / 44,069.28-66,100.40-12,478.11

Finding the Fourth Proportional to 44,069.28, 66,100.40 and 12,478.11

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Solution

The fourth proportional to 44,069.28, 66,100.40 and 12,478.11 is: 18,716.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,069.28 : 66,100.40 = 12,478.11 : x
  2. Step 2: Convert to fraction form
    44,069.28/66,100.40 = 12,478.11/x
  3. Step 3: Cross multiply
    44,069.28x = 66,100.40 × 12,478.11
  4. Step 4: Simplify right side
    44,069.28x = 824,807,762.94
  5. Step 5: Solve for x
    x = 824,807,762.94/44,069.28
  6. Step 6: Final answer
    x = 18,716.16

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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.