Home / 15,815.28-23,731.38-10,267.32

Finding the Fourth Proportional to 15,815.28, 23,731.38 and 10,267.32

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Solution

The fourth proportional to 15,815.28, 23,731.38 and 10,267.32 is: 15,406.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815.28 : 23,731.38 = 10,267.32 : x
  2. Step 2: Convert to fraction form
    15,815.28/23,731.38 = 10,267.32/x
  3. Step 3: Cross multiply
    15,815.28x = 23,731.38 × 10,267.32
  4. Step 4: Simplify right side
    15,815.28x = 243,657,672.50
  5. Step 5: Solve for x
    x = 243,657,672.50/15,815.28
  6. Step 6: Final answer
    x = 15,406.47

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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.