Home / 15,440.68-23,155.52-6,670.80

Finding the Fourth Proportional to 15,440.68, 23,155.52 and 6,670.80

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Solution

The fourth proportional to 15,440.68, 23,155.52 and 6,670.80 is: 10,003.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,440.68 : 23,155.52 = 6,670.80 : x
  2. Step 2: Convert to fraction form
    15,440.68/23,155.52 = 6,670.80/x
  3. Step 3: Cross multiply
    15,440.68x = 23,155.52 × 6,670.80
  4. Step 4: Simplify right side
    15,440.68x = 154,465,842.82
  5. Step 5: Solve for x
    x = 154,465,842.82/15,440.68
  6. Step 6: Final answer
    x = 10,003.82

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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.