Home / 18,269.52-25,207.57-12,602.45

Finding the Fourth Proportional to 18,269.52, 25,207.57 and 12,602.45

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Solution

The fourth proportional to 18,269.52, 25,207.57 and 12,602.45 is: 17,388.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.52 : 25,207.57 = 12,602.45 : x
  2. Step 2: Convert to fraction form
    18,269.52/25,207.57 = 12,602.45/x
  3. Step 3: Cross multiply
    18,269.52x = 25,207.57 × 12,602.45
  4. Step 4: Simplify right side
    18,269.52x = 317,677,219.32
  5. Step 5: Solve for x
    x = 317,677,219.32/18,269.52
  6. Step 6: Final answer
    x = 17,388.38

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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.