Home / 14,972.03-20,657.60-10,986.22

Finding the Fourth Proportional to 14,972.03, 20,657.60 and 10,986.22

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Solution

The fourth proportional to 14,972.03, 20,657.60 and 10,986.22 is: 15,158.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,972.03 : 20,657.60 = 10,986.22 : x
  2. Step 2: Convert to fraction form
    14,972.03/20,657.60 = 10,986.22/x
  3. Step 3: Cross multiply
    14,972.03x = 20,657.60 × 10,986.22
  4. Step 4: Simplify right side
    14,972.03x = 226,948,883.34
  5. Step 5: Solve for x
    x = 226,948,883.34/14,972.03
  6. Step 6: Final answer
    x = 15,158.19

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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.