Home / 14,150.76-19,528.66-7,863.12

Finding the Fourth Proportional to 14,150.76, 19,528.66 and 7,863.12

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Solution

The fourth proportional to 14,150.76, 19,528.66 and 7,863.12 is: 10,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.76 : 19,528.66 = 7,863.12 : x
  2. Step 2: Convert to fraction form
    14,150.76/19,528.66 = 7,863.12/x
  3. Step 3: Cross multiply
    14,150.76x = 19,528.66 × 7,863.12
  4. Step 4: Simplify right side
    14,150.76x = 153,556,197.02
  5. Step 5: Solve for x
    x = 153,556,197.02/14,150.76
  6. Step 6: Final answer
    x = 10,851.45

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Half scale
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Double scale
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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.