Home / 18,435.08-25,434.33-10,474.40

Finding the Fourth Proportional to 18,435.08, 25,434.33 and 10,474.40

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Solution

The fourth proportional to 18,435.08, 25,434.33 and 10,474.40 is: 14,451.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.08 : 25,434.33 = 10,474.40 : x
  2. Step 2: Convert to fraction form
    18,435.08/25,434.33 = 10,474.40/x
  3. Step 3: Cross multiply
    18,435.08x = 25,434.33 × 10,474.40
  4. Step 4: Simplify right side
    18,435.08x = 266,409,346.15
  5. Step 5: Solve for x
    x = 266,409,346.15/18,435.08
  6. Step 6: Final answer
    x = 14,451.22

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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.