Home / 15,783.04-23,671.56-5,251.48

Finding the Fourth Proportional to 15,783.04, 23,671.56 and 5,251.48

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Solution

The fourth proportional to 15,783.04, 23,671.56 and 5,251.48 is: 7,876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783.04 : 23,671.56 = 5,251.48 : x
  2. Step 2: Convert to fraction form
    15,783.04/23,671.56 = 5,251.48/x
  3. Step 3: Cross multiply
    15,783.04x = 23,671.56 × 5,251.48
  4. Step 4: Simplify right side
    15,783.04x = 124,310,723.91
  5. Step 5: Solve for x
    x = 124,310,723.91/15,783.04
  6. Step 6: Final answer
    x = 7,876.22

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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.