Home / 13,075.24-18,051.42-8,606.74

Finding the Fourth Proportional to 13,075.24, 18,051.42 and 8,606.74

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Solution

The fourth proportional to 13,075.24, 18,051.42 and 8,606.74 is: 11,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.24 : 18,051.42 = 8,606.74 : x
  2. Step 2: Convert to fraction form
    13,075.24/18,051.42 = 8,606.74/x
  3. Step 3: Cross multiply
    13,075.24x = 18,051.42 × 8,606.74
  4. Step 4: Simplify right side
    13,075.24x = 155,363,878.57
  5. Step 5: Solve for x
    x = 155,363,878.57/13,075.24
  6. Step 6: Final answer
    x = 11,882.30

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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.