Home / 15,312.42-22,970.79-5,448.78

Finding the Fourth Proportional to 15,312.42, 22,970.79 and 5,448.78

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Solution

The fourth proportional to 15,312.42, 22,970.79 and 5,448.78 is: 8,173.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,312.42 : 22,970.79 = 5,448.78 : x
  2. Step 2: Convert to fraction form
    15,312.42/22,970.79 = 5,448.78/x
  3. Step 3: Cross multiply
    15,312.42x = 22,970.79 × 5,448.78
  4. Step 4: Simplify right side
    15,312.42x = 125,162,781.14
  5. Step 5: Solve for x
    x = 125,162,781.14/15,312.42
  6. Step 6: Final answer
    x = 8,173.94

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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.