Home / 19,293.12-28,944-10,523.52

Finding the Fourth Proportional to 19,293.12, 28,944 and 10,523.52

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Solution

The fourth proportional to 19,293.12, 28,944 and 10,523.52 is: 15,787.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.12 : 28,944 = 10,523.52 : x
  2. Step 2: Convert to fraction form
    19,293.12/28,944 = 10,523.52/x
  3. Step 3: Cross multiply
    19,293.12x = 28,944 × 10,523.52
  4. Step 4: Simplify right side
    19,293.12x = 304,592,762.88
  5. Step 5: Solve for x
    x = 304,592,762.88/19,293.12
  6. Step 6: Final answer
    x = 15,787.64

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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.