Home / 19,248.18-28,871.96-15,954.31

Finding the Fourth Proportional to 19,248.18, 28,871.96 and 15,954.31

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Solution

The fourth proportional to 19,248.18, 28,871.96 and 15,954.31 is: 23,931.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248.18 : 28,871.96 = 15,954.31 : x
  2. Step 2: Convert to fraction form
    19,248.18/28,871.96 = 15,954.31/x
  3. Step 3: Cross multiply
    19,248.18x = 28,871.96 × 15,954.31
  4. Step 4: Simplify right side
    19,248.18x = 460,632,156.47
  5. Step 5: Solve for x
    x = 460,632,156.47/19,248.18
  6. Step 6: Final answer
    x = 23,931.21

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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.