Home / 22,153.30-33,088.71-20,041.70

Finding the Fourth Proportional to 22,153.30, 33,088.71 and 20,041.70

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Solution

The fourth proportional to 22,153.30, 33,088.71 and 20,041.70 is: 29,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,153.30 : 33,088.71 = 20,041.70 : x
  2. Step 2: Convert to fraction form
    22,153.30/33,088.71 = 20,041.70/x
  3. Step 3: Cross multiply
    22,153.30x = 33,088.71 × 20,041.70
  4. Step 4: Simplify right side
    22,153.30x = 663,153,999.21
  5. Step 5: Solve for x
    x = 663,153,999.21/22,153.30
  6. Step 6: Final answer
    x = 29,934.77

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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.