Home / 18,995.02-26,214.06-11,443.66

Finding the Fourth Proportional to 18,995.02, 26,214.06 and 11,443.66

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Solution

The fourth proportional to 18,995.02, 26,214.06 and 11,443.66 is: 15,792.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,995.02 : 26,214.06 = 11,443.66 : x
  2. Step 2: Convert to fraction form
    18,995.02/26,214.06 = 11,443.66/x
  3. Step 3: Cross multiply
    18,995.02x = 26,214.06 × 11,443.66
  4. Step 4: Simplify right side
    18,995.02x = 299,984,789.86
  5. Step 5: Solve for x
    x = 299,984,789.86/18,995.02
  6. Step 6: Final answer
    x = 15,792.81

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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.