Home / 18,588.93-25,653.18-10,091.05

Finding the Fourth Proportional to 18,588.93, 25,653.18 and 10,091.05

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Solution

The fourth proportional to 18,588.93, 25,653.18 and 10,091.05 is: 13,925.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.93 : 25,653.18 = 10,091.05 : x
  2. Step 2: Convert to fraction form
    18,588.93/25,653.18 = 10,091.05/x
  3. Step 3: Cross multiply
    18,588.93x = 25,653.18 × 10,091.05
  4. Step 4: Simplify right side
    18,588.93x = 258,867,495.75
  5. Step 5: Solve for x
    x = 258,867,495.75/18,588.93
  6. Step 6: Final answer
    x = 13,925.90

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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.