Home / 14,117.16-21,170.71-10,156.48

Finding the Fourth Proportional to 14,117.16, 21,170.71 and 10,156.48

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Solution

The fourth proportional to 14,117.16, 21,170.71 and 10,156.48 is: 15,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.16 : 21,170.71 = 10,156.48 : x
  2. Step 2: Convert to fraction form
    14,117.16/21,170.71 = 10,156.48/x
  3. Step 3: Cross multiply
    14,117.16x = 21,170.71 × 10,156.48
  4. Step 4: Simplify right side
    14,117.16x = 215,019,892.70
  5. Step 5: Solve for x
    x = 215,019,892.70/14,117.16
  6. Step 6: Final answer
    x = 15,231.10

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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.