Home / 13,817.10-19,071.72-9,849.72

Finding the Fourth Proportional to 13,817.10, 19,071.72 and 9,849.72

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Solution

The fourth proportional to 13,817.10, 19,071.72 and 9,849.72 is: 13,595.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.10 : 19,071.72 = 9,849.72 : x
  2. Step 2: Convert to fraction form
    13,817.10/19,071.72 = 9,849.72/x
  3. Step 3: Cross multiply
    13,817.10x = 19,071.72 × 9,849.72
  4. Step 4: Simplify right side
    13,817.10x = 187,851,101.92
  5. Step 5: Solve for x
    x = 187,851,101.92/13,817.10
  6. Step 6: Final answer
    x = 13,595.55

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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.