Home / 13,713.98-18,925.26-7,426.32

Finding the Fourth Proportional to 13,713.98, 18,925.26 and 7,426.32

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Solution

The fourth proportional to 13,713.98, 18,925.26 and 7,426.32 is: 10,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.98 : 18,925.26 = 7,426.32 : x
  2. Step 2: Convert to fraction form
    13,713.98/18,925.26 = 7,426.32/x
  3. Step 3: Cross multiply
    13,713.98x = 18,925.26 × 7,426.32
  4. Step 4: Simplify right side
    13,713.98x = 140,545,036.84
  5. Step 5: Solve for x
    x = 140,545,036.84/13,713.98
  6. Step 6: Final answer
    x = 10,248.30

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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.