Home / 15,565.76-23,361.08-8,071.45

Finding the Fourth Proportional to 15,565.76, 23,361.08 and 8,071.45

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Solution

The fourth proportional to 15,565.76, 23,361.08 and 8,071.45 is: 12,113.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565.76 : 23,361.08 = 8,071.45 : x
  2. Step 2: Convert to fraction form
    15,565.76/23,361.08 = 8,071.45/x
  3. Step 3: Cross multiply
    15,565.76x = 23,361.08 × 8,071.45
  4. Step 4: Simplify right side
    15,565.76x = 188,557,724.46
  5. Step 5: Solve for x
    x = 188,557,724.46/15,565.76
  6. Step 6: Final answer
    x = 12,113.62

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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.