Home / 13,497.44-18,626.56-7,528.14

Finding the Fourth Proportional to 13,497.44, 18,626.56 and 7,528.14

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Solution

The fourth proportional to 13,497.44, 18,626.56 and 7,528.14 is: 10,388.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497.44 : 18,626.56 = 7,528.14 : x
  2. Step 2: Convert to fraction form
    13,497.44/18,626.56 = 7,528.14/x
  3. Step 3: Cross multiply
    13,497.44x = 18,626.56 × 7,528.14
  4. Step 4: Simplify right side
    13,497.44x = 140,223,332.58
  5. Step 5: Solve for x
    x = 140,223,332.58/13,497.44
  6. Step 6: Final answer
    x = 10,388.89

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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.