Home / 13,524.06-18,663.15-7,555.74

Finding the Fourth Proportional to 13,524.06, 18,663.15 and 7,555.74

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Solution

The fourth proportional to 13,524.06, 18,663.15 and 7,555.74 is: 10,426.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.06 : 18,663.15 = 7,555.74 : x
  2. Step 2: Convert to fraction form
    13,524.06/18,663.15 = 7,555.74/x
  3. Step 3: Cross multiply
    13,524.06x = 18,663.15 × 7,555.74
  4. Step 4: Simplify right side
    13,524.06x = 141,013,908.98
  5. Step 5: Solve for x
    x = 141,013,908.98/13,524.06
  6. Step 6: Final answer
    x = 10,426.89

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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.