Home / 14,075.38-21,083.25-9,130.30

Finding the Fourth Proportional to 14,075.38, 21,083.25 and 9,130.30

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Solution

The fourth proportional to 14,075.38, 21,083.25 and 9,130.30 is: 13,676.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.38 : 21,083.25 = 9,130.30 : x
  2. Step 2: Convert to fraction form
    14,075.38/21,083.25 = 9,130.30/x
  3. Step 3: Cross multiply
    14,075.38x = 21,083.25 × 9,130.30
  4. Step 4: Simplify right side
    14,075.38x = 192,496,397.48
  5. Step 5: Solve for x
    x = 192,496,397.48/14,075.38
  6. Step 6: Final answer
    x = 13,676.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.