Home / 19,230.68-26,531.21-11,270.00

Finding the Fourth Proportional to 19,230.68, 26,531.21 and 11,270.00

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Solution

The fourth proportional to 19,230.68, 26,531.21 and 11,270.00 is: 15,548.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230.68 : 26,531.21 = 11,270.00 : x
  2. Step 2: Convert to fraction form
    19,230.68/26,531.21 = 11,270.00/x
  3. Step 3: Cross multiply
    19,230.68x = 26,531.21 × 11,270.00
  4. Step 4: Simplify right side
    19,230.68x = 299,006,831.20
  5. Step 5: Solve for x
    x = 299,006,831.20/19,230.68
  6. Step 6: Final answer
    x = 15,548.43

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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.