Home / 13,918.23-19,206.18-7,952.04

Finding the Fourth Proportional to 13,918.23, 19,206.18 and 7,952.04

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Solution

The fourth proportional to 13,918.23, 19,206.18 and 7,952.04 is: 10,973.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.23 : 19,206.18 = 7,952.04 : x
  2. Step 2: Convert to fraction form
    13,918.23/19,206.18 = 7,952.04/x
  3. Step 3: Cross multiply
    13,918.23x = 19,206.18 × 7,952.04
  4. Step 4: Simplify right side
    13,918.23x = 152,728,311.61
  5. Step 5: Solve for x
    x = 152,728,311.61/13,918.23
  6. Step 6: Final answer
    x = 10,973.26

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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.