Home / 14,075.50-19,416.24-9,290.56

Finding the Fourth Proportional to 14,075.50, 19,416.24 and 9,290.56

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Solution

The fourth proportional to 14,075.50, 19,416.24 and 9,290.56 is: 12,815.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.50 : 19,416.24 = 9,290.56 : x
  2. Step 2: Convert to fraction form
    14,075.50/19,416.24 = 9,290.56/x
  3. Step 3: Cross multiply
    14,075.50x = 19,416.24 × 9,290.56
  4. Step 4: Simplify right side
    14,075.50x = 180,387,742.69
  5. Step 5: Solve for x
    x = 180,387,742.69/14,075.50
  6. Step 6: Final answer
    x = 12,815.73

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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.