Home / 27,148.60-40,730.10-9,616.60

Finding the Fourth Proportional to 27,148.60, 40,730.10 and 9,616.60

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Solution

The fourth proportional to 27,148.60, 40,730.10 and 9,616.60 is: 14,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,148.60 : 40,730.10 = 9,616.60 : x
  2. Step 2: Convert to fraction form
    27,148.60/40,730.10 = 9,616.60/x
  3. Step 3: Cross multiply
    27,148.60x = 40,730.10 × 9,616.60
  4. Step 4: Simplify right side
    27,148.60x = 391,685,079.66
  5. Step 5: Solve for x
    x = 391,685,079.66/27,148.60
  6. Step 6: Final answer
    x = 14,427.45

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1.5x scale

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.