Home / 13,848.57-19,098.28-9,378.89

Finding the Fourth Proportional to 13,848.57, 19,098.28 and 9,378.89

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Solution

The fourth proportional to 13,848.57, 19,098.28 and 9,378.89 is: 12,934.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.57 : 19,098.28 = 9,378.89 : x
  2. Step 2: Convert to fraction form
    13,848.57/19,098.28 = 9,378.89/x
  3. Step 3: Cross multiply
    13,848.57x = 19,098.28 × 9,378.89
  4. Step 4: Simplify right side
    13,848.57x = 179,120,655.16
  5. Step 5: Solve for x
    x = 179,120,655.16/13,848.57
  6. Step 6: Final answer
    x = 12,934.23

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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.