Home / 15,452.46-21,333.59-10,156.43

Finding the Fourth Proportional to 15,452.46, 21,333.59 and 10,156.43

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Solution

The fourth proportional to 15,452.46, 21,333.59 and 10,156.43 is: 14,021.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452.46 : 21,333.59 = 10,156.43 : x
  2. Step 2: Convert to fraction form
    15,452.46/21,333.59 = 10,156.43/x
  3. Step 3: Cross multiply
    15,452.46x = 21,333.59 × 10,156.43
  4. Step 4: Simplify right side
    15,452.46x = 216,673,113.48
  5. Step 5: Solve for x
    x = 216,673,113.48/15,452.46
  6. Step 6: Final answer
    x = 14,021.92

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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.