Home / 13,316.58-18,376.25-7,347.92

Finding the Fourth Proportional to 13,316.58, 18,376.25 and 7,347.92

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Solution

The fourth proportional to 13,316.58, 18,376.25 and 7,347.92 is: 10,139.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.58 : 18,376.25 = 7,347.92 : x
  2. Step 2: Convert to fraction form
    13,316.58/18,376.25 = 7,347.92/x
  3. Step 3: Cross multiply
    13,316.58x = 18,376.25 × 7,347.92
  4. Step 4: Simplify right side
    13,316.58x = 135,027,086.28
  5. Step 5: Solve for x
    x = 135,027,086.28/13,316.58
  6. Step 6: Final answer
    x = 10,139.77

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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.