Home / 27,479.48-37,921.76-14,904.24

Finding the Fourth Proportional to 27,479.48, 37,921.76 and 14,904.24

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Solution

The fourth proportional to 27,479.48, 37,921.76 and 14,904.24 is: 20,567.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,479.48 : 37,921.76 = 14,904.24 : x
  2. Step 2: Convert to fraction form
    27,479.48/37,921.76 = 14,904.24/x
  3. Step 3: Cross multiply
    27,479.48x = 37,921.76 × 14,904.24
  4. Step 4: Simplify right side
    27,479.48x = 565,195,012.26
  5. Step 5: Solve for x
    x = 565,195,012.26/27,479.48
  6. Step 6: Final answer
    x = 20,567.89

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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.