Home / 17,987.67-26,981.56-6,298.16

Finding the Fourth Proportional to 17,987.67, 26,981.56 and 6,298.16

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Solution

The fourth proportional to 17,987.67, 26,981.56 and 6,298.16 is: 9,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,987.67 : 26,981.56 = 6,298.16 : x
  2. Step 2: Convert to fraction form
    17,987.67/26,981.56 = 6,298.16/x
  3. Step 3: Cross multiply
    17,987.67x = 26,981.56 × 6,298.16
  4. Step 4: Simplify right side
    17,987.67x = 169,934,019.47
  5. Step 5: Solve for x
    x = 169,934,019.47/17,987.67
  6. Step 6: Final answer
    x = 9,447.25

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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.