Home / 25,585.77-35,305.97-18,875.12

Finding the Fourth Proportional to 25,585.77, 35,305.97 and 18,875.12

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Solution

The fourth proportional to 25,585.77, 35,305.97 and 18,875.12 is: 26,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,585.77 : 35,305.97 = 18,875.12 : x
  2. Step 2: Convert to fraction form
    25,585.77/35,305.97 = 18,875.12/x
  3. Step 3: Cross multiply
    25,585.77x = 35,305.97 × 18,875.12
  4. Step 4: Simplify right side
    25,585.77x = 666,404,326.09
  5. Step 5: Solve for x
    x = 666,404,326.09/25,585.77
  6. Step 6: Final answer
    x = 26,045.90

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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.