Home / 18,607.15-25,678.01-10,109.35

Finding the Fourth Proportional to 18,607.15, 25,678.01 and 10,109.35

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Solution

The fourth proportional to 18,607.15, 25,678.01 and 10,109.35 is: 13,950.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.15 : 25,678.01 = 10,109.35 : x
  2. Step 2: Convert to fraction form
    18,607.15/25,678.01 = 10,109.35/x
  3. Step 3: Cross multiply
    18,607.15x = 25,678.01 × 10,109.35
  4. Step 4: Simplify right side
    18,607.15x = 259,587,990.39
  5. Step 5: Solve for x
    x = 259,587,990.39/18,607.15
  6. Step 6: Final answer
    x = 13,950.98

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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.