Home / 27,319.68-37,693.28-18,824.08

Finding the Fourth Proportional to 27,319.68, 37,693.28 and 18,824.08

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Solution

The fourth proportional to 27,319.68, 37,693.28 and 18,824.08 is: 25,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,319.68 : 37,693.28 = 18,824.08 : x
  2. Step 2: Convert to fraction form
    27,319.68/37,693.28 = 18,824.08/x
  3. Step 3: Cross multiply
    27,319.68x = 37,693.28 × 18,824.08
  4. Step 4: Simplify right side
    27,319.68x = 709,541,318.18
  5. Step 5: Solve for x
    x = 709,541,318.18/27,319.68
  6. Step 6: Final answer
    x = 25,971.80

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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.