Home / 19,886.67-29,802.06-15,708.42

Finding the Fourth Proportional to 19,886.67, 29,802.06 and 15,708.42

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Solution

The fourth proportional to 19,886.67, 29,802.06 and 15,708.42 is: 23,540.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886.67 : 29,802.06 = 15,708.42 : x
  2. Step 2: Convert to fraction form
    19,886.67/29,802.06 = 15,708.42/x
  3. Step 3: Cross multiply
    19,886.67x = 29,802.06 × 15,708.42
  4. Step 4: Simplify right side
    19,886.67x = 468,143,275.35
  5. Step 5: Solve for x
    x = 468,143,275.35/19,886.67
  6. Step 6: Final answer
    x = 23,540.56

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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.