Home / 13,244.04-18,276.54-7,275.60

Finding the Fourth Proportional to 13,244.04, 18,276.54 and 7,275.60

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Solution

The fourth proportional to 13,244.04, 18,276.54 and 7,275.60 is: 10,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.04 : 18,276.54 = 7,275.60 : x
  2. Step 2: Convert to fraction form
    13,244.04/18,276.54 = 7,275.60/x
  3. Step 3: Cross multiply
    13,244.04x = 18,276.54 × 7,275.60
  4. Step 4: Simplify right side
    13,244.04x = 132,972,794.42
  5. Step 5: Solve for x
    x = 132,972,794.42/13,244.04
  6. Step 6: Final answer
    x = 10,040.20

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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.