Home / 14,987.24-20,678.76-9,607.22

Finding the Fourth Proportional to 14,987.24, 20,678.76 and 9,607.22

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Solution

The fourth proportional to 14,987.24, 20,678.76 and 9,607.22 is: 13,255.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.24 : 20,678.76 = 9,607.22 : x
  2. Step 2: Convert to fraction form
    14,987.24/20,678.76 = 9,607.22/x
  3. Step 3: Cross multiply
    14,987.24x = 20,678.76 × 9,607.22
  4. Step 4: Simplify right side
    14,987.24x = 198,665,293.25
  5. Step 5: Solve for x
    x = 198,665,293.25/14,987.24
  6. Step 6: Final answer
    x = 13,255.63

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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.