Home / 25,827.23-38,723.15-13,152.45

Finding the Fourth Proportional to 25,827.23, 38,723.15 and 13,152.45

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Solution

The fourth proportional to 25,827.23, 38,723.15 and 13,152.45 is: 19,719.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,827.23 : 38,723.15 = 13,152.45 : x
  2. Step 2: Convert to fraction form
    25,827.23/38,723.15 = 13,152.45/x
  3. Step 3: Cross multiply
    25,827.23x = 38,723.15 × 13,152.45
  4. Step 4: Simplify right side
    25,827.23x = 509,304,165.45
  5. Step 5: Solve for x
    x = 509,304,165.45/25,827.23
  6. Step 6: Final answer
    x = 19,719.66

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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.