Home / 15,120.06-22,679.73-10,659.30

Finding the Fourth Proportional to 15,120.06, 22,679.73 and 10,659.30

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Solution

The fourth proportional to 15,120.06, 22,679.73 and 10,659.30 is: 15,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,120.06 : 22,679.73 = 10,659.30 : x
  2. Step 2: Convert to fraction form
    15,120.06/22,679.73 = 10,659.30/x
  3. Step 3: Cross multiply
    15,120.06x = 22,679.73 × 10,659.30
  4. Step 4: Simplify right side
    15,120.06x = 241,750,045.99
  5. Step 5: Solve for x
    x = 241,750,045.99/15,120.06
  6. Step 6: Final answer
    x = 15,988.70

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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.