Home / 12,703.19-17,519.58-10,045.99

Finding the Fourth Proportional to 12,703.19, 17,519.58 and 10,045.99

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Solution

The fourth proportional to 12,703.19, 17,519.58 and 10,045.99 is: 13,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.19 : 17,519.58 = 10,045.99 : x
  2. Step 2: Convert to fraction form
    12,703.19/17,519.58 = 10,045.99/x
  3. Step 3: Cross multiply
    12,703.19x = 17,519.58 × 10,045.99
  4. Step 4: Simplify right side
    12,703.19x = 176,001,481.69
  5. Step 5: Solve for x
    x = 176,001,481.69/12,703.19
  6. Step 6: Final answer
    x = 13,854.90

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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.