Home / 13,482.24-18,605.88-7,514.70

Finding the Fourth Proportional to 13,482.24, 18,605.88 and 7,514.70

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Solution

The fourth proportional to 13,482.24, 18,605.88 and 7,514.70 is: 10,370.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.24 : 18,605.88 = 7,514.70 : x
  2. Step 2: Convert to fraction form
    13,482.24/18,605.88 = 7,514.70/x
  3. Step 3: Cross multiply
    13,482.24x = 18,605.88 × 7,514.70
  4. Step 4: Simplify right side
    13,482.24x = 139,817,606.44
  5. Step 5: Solve for x
    x = 139,817,606.44/13,482.24
  6. Step 6: Final answer
    x = 10,370.50

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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.