Home / 15,944.55-22,004.53-8,870.99

Finding the Fourth Proportional to 15,944.55, 22,004.53 and 8,870.99

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Solution

The fourth proportional to 15,944.55, 22,004.53 and 8,870.99 is: 12,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,944.55 : 22,004.53 = 8,870.99 : x
  2. Step 2: Convert to fraction form
    15,944.55/22,004.53 = 8,870.99/x
  3. Step 3: Cross multiply
    15,944.55x = 22,004.53 × 8,870.99
  4. Step 4: Simplify right side
    15,944.55x = 195,201,833.38
  5. Step 5: Solve for x
    x = 195,201,833.38/15,944.55
  6. Step 6: Final answer
    x = 12,242.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.