Home / 17,630.76-26,448.60-5,151.69

Finding the Fourth Proportional to 17,630.76, 26,448.60 and 5,151.69

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Solution

The fourth proportional to 17,630.76, 26,448.60 and 5,151.69 is: 7,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,630.76 : 26,448.60 = 5,151.69 : x
  2. Step 2: Convert to fraction form
    17,630.76/26,448.60 = 5,151.69/x
  3. Step 3: Cross multiply
    17,630.76x = 26,448.60 × 5,151.69
  4. Step 4: Simplify right side
    17,630.76x = 136,254,988.13
  5. Step 5: Solve for x
    x = 136,254,988.13/17,630.76
  6. Step 6: Final answer
    x = 7,728.25

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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.