Home / 22,145.92-33,075.36-20,061.76

Finding the Fourth Proportional to 22,145.92, 33,075.36 and 20,061.76

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Solution

The fourth proportional to 22,145.92, 33,075.36 and 20,061.76 is: 29,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145.92 : 33,075.36 = 20,061.76 : x
  2. Step 2: Convert to fraction form
    22,145.92/33,075.36 = 20,061.76/x
  3. Step 3: Cross multiply
    22,145.92x = 33,075.36 × 20,061.76
  4. Step 4: Simplify right side
    22,145.92x = 663,549,934.23
  5. Step 5: Solve for x
    x = 663,549,934.23/22,145.92
  6. Step 6: Final answer
    x = 29,962.63

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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.