Home / 22,005.47-30,373.79-18,036.07

Finding the Fourth Proportional to 22,005.47, 30,373.79 and 18,036.07

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Solution

The fourth proportional to 22,005.47, 30,373.79 and 18,036.07 is: 24,894.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,005.47 : 30,373.79 = 18,036.07 : x
  2. Step 2: Convert to fraction form
    22,005.47/30,373.79 = 18,036.07/x
  3. Step 3: Cross multiply
    22,005.47x = 30,373.79 × 18,036.07
  4. Step 4: Simplify right side
    22,005.47x = 547,823,636.49
  5. Step 5: Solve for x
    x = 547,823,636.49/22,005.47
  6. Step 6: Final answer
    x = 24,894.88

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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.