Home / 13,902.17-19,184.90-7,933.50

Finding the Fourth Proportional to 13,902.17, 19,184.90 and 7,933.50

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Solution

The fourth proportional to 13,902.17, 19,184.90 and 7,933.50 is: 10,948.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.17 : 19,184.90 = 7,933.50 : x
  2. Step 2: Convert to fraction form
    13,902.17/19,184.90 = 7,933.50/x
  3. Step 3: Cross multiply
    13,902.17x = 19,184.90 × 7,933.50
  4. Step 4: Simplify right side
    13,902.17x = 152,203,364.48
  5. Step 5: Solve for x
    x = 152,203,364.48/13,902.17
  6. Step 6: Final answer
    x = 10,948.18

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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.