Home / 15,078.72-22,564.60-9,810.48

Finding the Fourth Proportional to 15,078.72, 22,564.60 and 9,810.48

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Solution

The fourth proportional to 15,078.72, 22,564.60 and 9,810.48 is: 14,680.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,078.72 : 22,564.60 = 9,810.48 : x
  2. Step 2: Convert to fraction form
    15,078.72/22,564.60 = 9,810.48/x
  3. Step 3: Cross multiply
    15,078.72x = 22,564.60 × 9,810.48
  4. Step 4: Simplify right side
    15,078.72x = 221,369,557.01
  5. Step 5: Solve for x
    x = 221,369,557.01/15,078.72
  6. Step 6: Final answer
    x = 14,680.92

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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.