Home / 13,364.07-18,442.17-7,395.59

Finding the Fourth Proportional to 13,364.07, 18,442.17 and 7,395.59

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Solution

The fourth proportional to 13,364.07, 18,442.17 and 7,395.59 is: 10,205.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.07 : 18,442.17 = 7,395.59 : x
  2. Step 2: Convert to fraction form
    13,364.07/18,442.17 = 7,395.59/x
  3. Step 3: Cross multiply
    13,364.07x = 18,442.17 × 7,395.59
  4. Step 4: Simplify right side
    13,364.07x = 136,390,635.82
  5. Step 5: Solve for x
    x = 136,390,635.82/13,364.07
  6. Step 6: Final answer
    x = 10,205.77

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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.