Home / 13,302.22-18,357.84-7,335.16

Finding the Fourth Proportional to 13,302.22, 18,357.84 and 7,335.16

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Solution

The fourth proportional to 13,302.22, 18,357.84 and 7,335.16 is: 10,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.22 : 18,357.84 = 7,335.16 : x
  2. Step 2: Convert to fraction form
    13,302.22/18,357.84 = 7,335.16/x
  3. Step 3: Cross multiply
    13,302.22x = 18,357.84 × 7,335.16
  4. Step 4: Simplify right side
    13,302.22x = 134,657,693.65
  5. Step 5: Solve for x
    x = 134,657,693.65/13,302.22
  6. Step 6: Final answer
    x = 10,122.95

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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.