Home / 19,539.16-29,295.78-6,386.92

Finding the Fourth Proportional to 19,539.16, 29,295.78 and 6,386.92

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Solution

The fourth proportional to 19,539.16, 29,295.78 and 6,386.92 is: 9,576.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.16 : 29,295.78 = 6,386.92 : x
  2. Step 2: Convert to fraction form
    19,539.16/29,295.78 = 6,386.92/x
  3. Step 3: Cross multiply
    19,539.16x = 29,295.78 × 6,386.92
  4. Step 4: Simplify right side
    19,539.16x = 187,109,803.20
  5. Step 5: Solve for x
    x = 187,109,803.20/19,539.16
  6. Step 6: Final answer
    x = 9,576.14

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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.