Home / 27,603.32-38,091.26-15,665.03

Finding the Fourth Proportional to 27,603.32, 38,091.26 and 15,665.03

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Solution

The fourth proportional to 27,603.32, 38,091.26 and 15,665.03 is: 21,616.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,603.32 : 38,091.26 = 15,665.03 : x
  2. Step 2: Convert to fraction form
    27,603.32/38,091.26 = 15,665.03/x
  3. Step 3: Cross multiply
    27,603.32x = 38,091.26 × 15,665.03
  4. Step 4: Simplify right side
    27,603.32x = 596,700,722.19
  5. Step 5: Solve for x
    x = 596,700,722.19/27,603.32
  6. Step 6: Final answer
    x = 21,616.99

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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.