Home / 15,256.89-21,064.29-10,475.29

Finding the Fourth Proportional to 15,256.89, 21,064.29 and 10,475.29

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Solution

The fourth proportional to 15,256.89, 21,064.29 and 10,475.29 is: 14,462.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,256.89 : 21,064.29 = 10,475.29 : x
  2. Step 2: Convert to fraction form
    15,256.89/21,064.29 = 10,475.29/x
  3. Step 3: Cross multiply
    15,256.89x = 21,064.29 × 10,475.29
  4. Step 4: Simplify right side
    15,256.89x = 220,654,546.39
  5. Step 5: Solve for x
    x = 220,654,546.39/15,256.89
  6. Step 6: Final answer
    x = 14,462.62

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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.