Home / 18,775.15-25,909.32-10,277.07

Finding the Fourth Proportional to 18,775.15, 25,909.32 and 10,277.07

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Solution

The fourth proportional to 18,775.15, 25,909.32 and 10,277.07 is: 14,182.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,775.15 : 25,909.32 = 10,277.07 : x
  2. Step 2: Convert to fraction form
    18,775.15/25,909.32 = 10,277.07/x
  3. Step 3: Cross multiply
    18,775.15x = 25,909.32 × 10,277.07
  4. Step 4: Simplify right side
    18,775.15x = 266,271,895.29
  5. Step 5: Solve for x
    x = 266,271,895.29/18,775.15
  6. Step 6: Final answer
    x = 14,182.14

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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.