Home / 27,641.01-38,155.95-18,700.64

Finding the Fourth Proportional to 27,641.01, 38,155.95 and 18,700.64

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Solution

The fourth proportional to 27,641.01, 38,155.95 and 18,700.64 is: 25,814.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,641.01 : 38,155.95 = 18,700.64 : x
  2. Step 2: Convert to fraction form
    27,641.01/38,155.95 = 18,700.64/x
  3. Step 3: Cross multiply
    27,641.01x = 38,155.95 × 18,700.64
  4. Step 4: Simplify right side
    27,641.01x = 713,540,494.03
  5. Step 5: Solve for x
    x = 713,540,494.03/27,641.01
  6. Step 6: Final answer
    x = 25,814.56

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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.