Home / 13,062.65-18,027.56-7,398.38

Finding the Fourth Proportional to 13,062.65, 18,027.56 and 7,398.38

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Solution

The fourth proportional to 13,062.65, 18,027.56 and 7,398.38 is: 10,210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.65 : 18,027.56 = 7,398.38 : x
  2. Step 2: Convert to fraction form
    13,062.65/18,027.56 = 7,398.38/x
  3. Step 3: Cross multiply
    13,062.65x = 18,027.56 × 7,398.38
  4. Step 4: Simplify right side
    13,062.65x = 133,374,802.92
  5. Step 5: Solve for x
    x = 133,374,802.92/13,062.65
  6. Step 6: Final answer
    x = 10,210.40

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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.