Home / 23,386.78-32,273.25-12,776.47

Finding the Fourth Proportional to 23,386.78, 32,273.25 and 12,776.47

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Solution

The fourth proportional to 23,386.78, 32,273.25 and 12,776.47 is: 17,631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,386.78 : 32,273.25 = 12,776.47 : x
  2. Step 2: Convert to fraction form
    23,386.78/32,273.25 = 12,776.47/x
  3. Step 3: Cross multiply
    23,386.78x = 32,273.25 × 12,776.47
  4. Step 4: Simplify right side
    23,386.78x = 412,338,210.43
  5. Step 5: Solve for x
    x = 412,338,210.43/23,386.78
  6. Step 6: Final answer
    x = 17,631.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.