Home / 21,869.06-32,632.97-19,512.87

Finding the Fourth Proportional to 21,869.06, 32,632.97 and 19,512.87

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Solution

The fourth proportional to 21,869.06, 32,632.97 and 19,512.87 is: 29,117.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,869.06 : 32,632.97 = 19,512.87 : x
  2. Step 2: Convert to fraction form
    21,869.06/32,632.97 = 19,512.87/x
  3. Step 3: Cross multiply
    21,869.06x = 32,632.97 × 19,512.87
  4. Step 4: Simplify right side
    21,869.06x = 636,762,803.76
  5. Step 5: Solve for x
    x = 636,762,803.76/21,869.06
  6. Step 6: Final answer
    x = 29,117.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.