Home / 14,151.56-19,528.44-7,863.80

Finding the Fourth Proportional to 14,151.56, 19,528.44 and 7,863.80

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Solution

The fourth proportional to 14,151.56, 19,528.44 and 7,863.80 is: 10,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.56 : 19,528.44 = 7,863.80 : x
  2. Step 2: Convert to fraction form
    14,151.56/19,528.44 = 7,863.80/x
  3. Step 3: Cross multiply
    14,151.56x = 19,528.44 × 7,863.80
  4. Step 4: Simplify right side
    14,151.56x = 153,567,746.47
  5. Step 5: Solve for x
    x = 153,567,746.47/14,151.56
  6. Step 6: Final answer
    x = 10,851.65

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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.