Home / 15,986.76-22,071.05-10,616.46

Finding the Fourth Proportional to 15,986.76, 22,071.05 and 10,616.46

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Solution

The fourth proportional to 15,986.76, 22,071.05 and 10,616.46 is: 14,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.76 : 22,071.05 = 10,616.46 : x
  2. Step 2: Convert to fraction form
    15,986.76/22,071.05 = 10,616.46/x
  3. Step 3: Cross multiply
    15,986.76x = 22,071.05 × 10,616.46
  4. Step 4: Simplify right side
    15,986.76x = 234,316,419.48
  5. Step 5: Solve for x
    x = 234,316,419.48/15,986.76
  6. Step 6: Final answer
    x = 14,656.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.