Home / 22,075.28-30,463.62-13,123.16

Finding the Fourth Proportional to 22,075.28, 30,463.62 and 13,123.16

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Solution

The fourth proportional to 22,075.28, 30,463.62 and 13,123.16 is: 18,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,075.28 : 30,463.62 = 13,123.16 : x
  2. Step 2: Convert to fraction form
    22,075.28/30,463.62 = 13,123.16/x
  3. Step 3: Cross multiply
    22,075.28x = 30,463.62 × 13,123.16
  4. Step 4: Simplify right side
    22,075.28x = 399,778,959.44
  5. Step 5: Solve for x
    x = 399,778,959.44/22,075.28
  6. Step 6: Final answer
    x = 18,109.80

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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.