Home / 13,955.04-19,238.04-9,974.70

Finding the Fourth Proportional to 13,955.04, 19,238.04 and 9,974.70

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Solution

The fourth proportional to 13,955.04, 19,238.04 and 9,974.70 is: 13,750.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.04 : 19,238.04 = 9,974.70 : x
  2. Step 2: Convert to fraction form
    13,955.04/19,238.04 = 9,974.70/x
  3. Step 3: Cross multiply
    13,955.04x = 19,238.04 × 9,974.70
  4. Step 4: Simplify right side
    13,955.04x = 191,893,677.59
  5. Step 5: Solve for x
    x = 191,893,677.59/13,955.04
  6. Step 6: Final answer
    x = 13,750.85

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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.