Home / 15,402.61-23,115.93-7,086.34

Finding the Fourth Proportional to 15,402.61, 23,115.93 and 7,086.34

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Solution

The fourth proportional to 15,402.61, 23,115.93 and 7,086.34 is: 10,635.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,402.61 : 23,115.93 = 7,086.34 : x
  2. Step 2: Convert to fraction form
    15,402.61/23,115.93 = 7,086.34/x
  3. Step 3: Cross multiply
    15,402.61x = 23,115.93 × 7,086.34
  4. Step 4: Simplify right side
    15,402.61x = 163,807,339.40
  5. Step 5: Solve for x
    x = 163,807,339.40/15,402.61
  6. Step 6: Final answer
    x = 10,635.04

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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.