Home / 22,075.56-30,462.75-13,123.80

Finding the Fourth Proportional to 22,075.56, 30,462.75 and 13,123.80

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Solution

The fourth proportional to 22,075.56, 30,462.75 and 13,123.80 is: 18,109.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,075.56 : 30,462.75 = 13,123.80 : x
  2. Step 2: Convert to fraction form
    22,075.56/30,462.75 = 13,123.80/x
  3. Step 3: Cross multiply
    22,075.56x = 30,462.75 × 13,123.80
  4. Step 4: Simplify right side
    22,075.56x = 399,787,038.45
  5. Step 5: Solve for x
    x = 399,787,038.45/22,075.56
  6. Step 6: Final answer
    x = 18,109.94

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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.