Home / 19,040.91-28,572.17-10,275.63

Finding the Fourth Proportional to 19,040.91, 28,572.17 and 10,275.63

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Solution

The fourth proportional to 19,040.91, 28,572.17 and 10,275.63 is: 15,419.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.91 : 28,572.17 = 10,275.63 : x
  2. Step 2: Convert to fraction form
    19,040.91/28,572.17 = 10,275.63/x
  3. Step 3: Cross multiply
    19,040.91x = 28,572.17 × 10,275.63
  4. Step 4: Simplify right side
    19,040.91x = 293,596,995.84
  5. Step 5: Solve for x
    x = 293,596,995.84/19,040.91
  6. Step 6: Final answer
    x = 15,419.27

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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.