Home / 27,906.04-38,483.86-18,329.08

Finding the Fourth Proportional to 27,906.04, 38,483.86 and 18,329.08

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Solution

The fourth proportional to 27,906.04, 38,483.86 and 18,329.08 is: 25,276.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,906.04 : 38,483.86 = 18,329.08 : x
  2. Step 2: Convert to fraction form
    27,906.04/38,483.86 = 18,329.08/x
  3. Step 3: Cross multiply
    27,906.04x = 38,483.86 × 18,329.08
  4. Step 4: Simplify right side
    27,906.04x = 705,373,748.65
  5. Step 5: Solve for x
    x = 705,373,748.65/27,906.04
  6. Step 6: Final answer
    x = 25,276.74

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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.