Home / 13,713.93-18,925.25-7,426.30

Finding the Fourth Proportional to 13,713.93, 18,925.25 and 7,426.30

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Solution

The fourth proportional to 13,713.93, 18,925.25 and 7,426.30 is: 10,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.93 : 18,925.25 = 7,426.30 : x
  2. Step 2: Convert to fraction form
    13,713.93/18,925.25 = 7,426.30/x
  3. Step 3: Cross multiply
    13,713.93x = 18,925.25 × 7,426.30
  4. Step 4: Simplify right side
    13,713.93x = 140,544,584.08
  5. Step 5: Solve for x
    x = 140,544,584.08/13,713.93
  6. Step 6: Final answer
    x = 10,248.31

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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.