Home / 13,432.58-18,536.10-7,463.89

Finding the Fourth Proportional to 13,432.58, 18,536.10 and 7,463.89

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Solution

The fourth proportional to 13,432.58, 18,536.10 and 7,463.89 is: 10,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.58 : 18,536.10 = 7,463.89 : x
  2. Step 2: Convert to fraction form
    13,432.58/18,536.10 = 7,463.89/x
  3. Step 3: Cross multiply
    13,432.58x = 18,536.10 × 7,463.89
  4. Step 4: Simplify right side
    13,432.58x = 138,351,417.45
  5. Step 5: Solve for x
    x = 138,351,417.45/13,432.58
  6. Step 6: Final answer
    x = 10,299.69

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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.