Home / 19,245.28-26,475.24-15,700.72

Finding the Fourth Proportional to 19,245.28, 26,475.24 and 15,700.72

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Solution

The fourth proportional to 19,245.28, 26,475.24 and 15,700.72 is: 21,599.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.28 : 26,475.24 = 15,700.72 : x
  2. Step 2: Convert to fraction form
    19,245.28/26,475.24 = 15,700.72/x
  3. Step 3: Cross multiply
    19,245.28x = 26,475.24 × 15,700.72
  4. Step 4: Simplify right side
    19,245.28x = 415,680,330.17
  5. Step 5: Solve for x
    x = 415,680,330.17/19,245.28
  6. Step 6: Final answer
    x = 21,599.08

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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.