Home / 15,655.83-23,491.33-6,889.61

Finding the Fourth Proportional to 15,655.83, 23,491.33 and 6,889.61

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Solution

The fourth proportional to 15,655.83, 23,491.33 and 6,889.61 is: 10,337.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655.83 : 23,491.33 = 6,889.61 : x
  2. Step 2: Convert to fraction form
    15,655.83/23,491.33 = 6,889.61/x
  3. Step 3: Cross multiply
    15,655.83x = 23,491.33 × 6,889.61
  4. Step 4: Simplify right side
    15,655.83x = 161,845,967.40
  5. Step 5: Solve for x
    x = 161,845,967.40/15,655.83
  6. Step 6: Final answer
    x = 10,337.74

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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.