Home / 15,870.48-21,889.27-9,496.59

Finding the Fourth Proportional to 15,870.48, 21,889.27 and 9,496.59

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Solution

The fourth proportional to 15,870.48, 21,889.27 and 9,496.59 is: 13,098.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,870.48 : 21,889.27 = 9,496.59 : x
  2. Step 2: Convert to fraction form
    15,870.48/21,889.27 = 9,496.59/x
  3. Step 3: Cross multiply
    15,870.48x = 21,889.27 × 9,496.59
  4. Step 4: Simplify right side
    15,870.48x = 207,873,352.38
  5. Step 5: Solve for x
    x = 207,873,352.38/15,870.48
  6. Step 6: Final answer
    x = 13,098.12

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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.