Home / 27,570.90-38,047.62-14,995.64

Finding the Fourth Proportional to 27,570.90, 38,047.62 and 14,995.64

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Solution

The fourth proportional to 27,570.90, 38,047.62 and 14,995.64 is: 20,693.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,570.90 : 38,047.62 = 14,995.64 : x
  2. Step 2: Convert to fraction form
    27,570.90/38,047.62 = 14,995.64/x
  3. Step 3: Cross multiply
    27,570.90x = 38,047.62 × 14,995.64
  4. Step 4: Simplify right side
    27,570.90x = 570,548,412.38
  5. Step 5: Solve for x
    x = 570,548,412.38/27,570.90
  6. Step 6: Final answer
    x = 20,693.86

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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.