Home / 18,656.16-25,746.09-10,158.84

Finding the Fourth Proportional to 18,656.16, 25,746.09 and 10,158.84

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Solution

The fourth proportional to 18,656.16, 25,746.09 and 10,158.84 is: 14,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656.16 : 25,746.09 = 10,158.84 : x
  2. Step 2: Convert to fraction form
    18,656.16/25,746.09 = 10,158.84/x
  3. Step 3: Cross multiply
    18,656.16x = 25,746.09 × 10,158.84
  4. Step 4: Simplify right side
    18,656.16x = 261,550,408.94
  5. Step 5: Solve for x
    x = 261,550,408.94/18,656.16
  6. Step 6: Final answer
    x = 14,019.52

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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.