Home / 27,945.09-38,547.36-17,191.80

Finding the Fourth Proportional to 27,945.09, 38,547.36 and 17,191.80

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Solution

The fourth proportional to 27,945.09, 38,547.36 and 17,191.80 is: 23,714.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.09 : 38,547.36 = 17,191.80 : x
  2. Step 2: Convert to fraction form
    27,945.09/38,547.36 = 17,191.80/x
  3. Step 3: Cross multiply
    27,945.09x = 38,547.36 × 17,191.80
  4. Step 4: Simplify right side
    27,945.09x = 662,698,503.65
  5. Step 5: Solve for x
    x = 662,698,503.65/27,945.09
  6. Step 6: Final answer
    x = 23,714.31

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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.