Home / 18,484.08-25,482.42-12,506.28

Finding the Fourth Proportional to 18,484.08, 25,482.42 and 12,506.28

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Solution

The fourth proportional to 18,484.08, 25,482.42 and 12,506.28 is: 17,241.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,484.08 : 25,482.42 = 12,506.28 : x
  2. Step 2: Convert to fraction form
    18,484.08/25,482.42 = 12,506.28/x
  3. Step 3: Cross multiply
    18,484.08x = 25,482.42 × 12,506.28
  4. Step 4: Simplify right side
    18,484.08x = 318,690,279.60
  5. Step 5: Solve for x
    x = 318,690,279.60/18,484.08
  6. Step 6: Final answer
    x = 17,241.34

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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.