Home / 18,746.68-28,109.69-6,260.13

Finding the Fourth Proportional to 18,746.68, 28,109.69 and 6,260.13

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Solution

The fourth proportional to 18,746.68, 28,109.69 and 6,260.13 is: 9,386.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746.68 : 28,109.69 = 6,260.13 : x
  2. Step 2: Convert to fraction form
    18,746.68/28,109.69 = 6,260.13/x
  3. Step 3: Cross multiply
    18,746.68x = 28,109.69 × 6,260.13
  4. Step 4: Simplify right side
    18,746.68x = 175,970,313.66
  5. Step 5: Solve for x
    x = 175,970,313.66/18,746.68
  6. Step 6: Final answer
    x = 9,386.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.