Home / 27,317.04-37,698.53-15,218.61

Finding the Fourth Proportional to 27,317.04, 37,698.53 and 15,218.61

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Solution

The fourth proportional to 27,317.04, 37,698.53 and 15,218.61 is: 21,002.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,317.04 : 37,698.53 = 15,218.61 : x
  2. Step 2: Convert to fraction form
    27,317.04/37,698.53 = 15,218.61/x
  3. Step 3: Cross multiply
    27,317.04x = 37,698.53 × 15,218.61
  4. Step 4: Simplify right side
    27,317.04x = 573,719,225.64
  5. Step 5: Solve for x
    x = 573,719,225.64/27,317.04
  6. Step 6: Final answer
    x = 21,002.25

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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.