Home / 27,570.75-38,047.68-14,995.50

Finding the Fourth Proportional to 27,570.75, 38,047.68 and 14,995.50

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Solution

The fourth proportional to 27,570.75, 38,047.68 and 14,995.50 is: 20,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,570.75 : 38,047.68 = 14,995.50 : x
  2. Step 2: Convert to fraction form
    27,570.75/38,047.68 = 14,995.50/x
  3. Step 3: Cross multiply
    27,570.75x = 38,047.68 × 14,995.50
  4. Step 4: Simplify right side
    27,570.75x = 570,543,985.44
  5. Step 5: Solve for x
    x = 570,543,985.44/27,570.75
  6. Step 6: Final answer
    x = 20,693.81

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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.