Home / 44,157.68-66,239.53-12,570.21

Finding the Fourth Proportional to 44,157.68, 66,239.53 and 12,570.21

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Solution

The fourth proportional to 44,157.68, 66,239.53 and 12,570.21 is: 18,856.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,157.68 : 66,239.53 = 12,570.21 : x
  2. Step 2: Convert to fraction form
    44,157.68/66,239.53 = 12,570.21/x
  3. Step 3: Cross multiply
    44,157.68x = 66,239.53 × 12,570.21
  4. Step 4: Simplify right side
    44,157.68x = 832,644,739.55
  5. Step 5: Solve for x
    x = 832,644,739.55/44,157.68
  6. Step 6: Final answer
    x = 18,856.17

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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.