Home / 13,333.02-18,398.67-7,364.70

Finding the Fourth Proportional to 13,333.02, 18,398.67 and 7,364.70

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Solution

The fourth proportional to 13,333.02, 18,398.67 and 7,364.70 is: 10,162.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.02 : 18,398.67 = 7,364.70 : x
  2. Step 2: Convert to fraction form
    13,333.02/18,398.67 = 7,364.70/x
  3. Step 3: Cross multiply
    13,333.02x = 18,398.67 × 7,364.70
  4. Step 4: Simplify right side
    13,333.02x = 135,500,684.95
  5. Step 5: Solve for x
    x = 135,500,684.95/13,333.02
  6. Step 6: Final answer
    x = 10,162.79

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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.