Home / 17,088.10-25,632.15-13,977.70

Finding the Fourth Proportional to 17,088.10, 25,632.15 and 13,977.70

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Solution

The fourth proportional to 17,088.10, 25,632.15 and 13,977.70 is: 20,966.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,088.10 : 25,632.15 = 13,977.70 : x
  2. Step 2: Convert to fraction form
    17,088.10/25,632.15 = 13,977.70/x
  3. Step 3: Cross multiply
    17,088.10x = 25,632.15 × 13,977.70
  4. Step 4: Simplify right side
    17,088.10x = 358,278,503.06
  5. Step 5: Solve for x
    x = 358,278,503.06/17,088.10
  6. Step 6: Final answer
    x = 20,966.55

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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.