Home / 13,434.44-18,538.81-7,465.95

Finding the Fourth Proportional to 13,434.44, 18,538.81 and 7,465.95

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Solution

The fourth proportional to 13,434.44, 18,538.81 and 7,465.95 is: 10,302.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.44 : 18,538.81 = 7,465.95 : x
  2. Step 2: Convert to fraction form
    13,434.44/18,538.81 = 7,465.95/x
  3. Step 3: Cross multiply
    13,434.44x = 18,538.81 × 7,465.95
  4. Step 4: Simplify right side
    13,434.44x = 138,409,809.85
  5. Step 5: Solve for x
    x = 138,409,809.85/13,434.44
  6. Step 6: Final answer
    x = 10,302.61

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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.