Home / 18,193.35-27,280.80-9,307.32

Finding the Fourth Proportional to 18,193.35, 27,280.80 and 9,307.32

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Solution

The fourth proportional to 18,193.35, 27,280.80 and 9,307.32 is: 13,956.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193.35 : 27,280.80 = 9,307.32 : x
  2. Step 2: Convert to fraction form
    18,193.35/27,280.80 = 9,307.32/x
  3. Step 3: Cross multiply
    18,193.35x = 27,280.80 × 9,307.32
  4. Step 4: Simplify right side
    18,193.35x = 253,911,135.46
  5. Step 5: Solve for x
    x = 253,911,135.46/18,193.35
  6. Step 6: Final answer
    x = 13,956.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.