Home / 20,526.13-30,712.31-14,616.68

Finding the Fourth Proportional to 20,526.13, 30,712.31 and 14,616.68

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Solution

The fourth proportional to 20,526.13, 30,712.31 and 14,616.68 is: 21,870.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.13 : 30,712.31 = 14,616.68 : x
  2. Step 2: Convert to fraction form
    20,526.13/30,712.31 = 14,616.68/x
  3. Step 3: Cross multiply
    20,526.13x = 30,712.31 × 14,616.68
  4. Step 4: Simplify right side
    20,526.13x = 448,912,004.10
  5. Step 5: Solve for x
    x = 448,912,004.10/20,526.13
  6. Step 6: Final answer
    x = 21,870.27

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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.