Home / 15,526.56-21,431.34-14,732.94

Finding the Fourth Proportional to 15,526.56, 21,431.34 and 14,732.94

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Solution

The fourth proportional to 15,526.56, 21,431.34 and 14,732.94 is: 20,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.56 : 21,431.34 = 14,732.94 : x
  2. Step 2: Convert to fraction form
    15,526.56/21,431.34 = 14,732.94/x
  3. Step 3: Cross multiply
    15,526.56x = 21,431.34 × 14,732.94
  4. Step 4: Simplify right side
    15,526.56x = 315,746,646.34
  5. Step 5: Solve for x
    x = 315,746,646.34/15,526.56
  6. Step 6: Final answer
    x = 20,335.90

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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.