Home / 15,471.24-21,343.38-10,433.82

Finding the Fourth Proportional to 15,471.24, 21,343.38 and 10,433.82

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Solution

The fourth proportional to 15,471.24, 21,343.38 and 10,433.82 is: 14,394.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471.24 : 21,343.38 = 10,433.82 : x
  2. Step 2: Convert to fraction form
    15,471.24/21,343.38 = 10,433.82/x
  3. Step 3: Cross multiply
    15,471.24x = 21,343.38 × 10,433.82
  4. Step 4: Simplify right side
    15,471.24x = 222,692,985.11
  5. Step 5: Solve for x
    x = 222,692,985.11/15,471.24
  6. Step 6: Final answer
    x = 14,394.00

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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.