Home / 14,686.04-20,266.19-7,971.53

Finding the Fourth Proportional to 14,686.04, 20,266.19 and 7,971.53

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Solution

The fourth proportional to 14,686.04, 20,266.19 and 7,971.53 is: 11,000.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,686.04 : 20,266.19 = 7,971.53 : x
  2. Step 2: Convert to fraction form
    14,686.04/20,266.19 = 7,971.53/x
  3. Step 3: Cross multiply
    14,686.04x = 20,266.19 × 7,971.53
  4. Step 4: Simplify right side
    14,686.04x = 161,552,440.24
  5. Step 5: Solve for x
    x = 161,552,440.24/14,686.04
  6. Step 6: Final answer
    x = 11,000.41

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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.