Home / 13,366.41-18,444.75-7,397.66

Finding the Fourth Proportional to 13,366.41, 18,444.75 and 7,397.66

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Solution

The fourth proportional to 13,366.41, 18,444.75 and 7,397.66 is: 10,208.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.41 : 18,444.75 = 7,397.66 : x
  2. Step 2: Convert to fraction form
    13,366.41/18,444.75 = 7,397.66/x
  3. Step 3: Cross multiply
    13,366.41x = 18,444.75 × 7,397.66
  4. Step 4: Simplify right side
    13,366.41x = 136,447,897.06
  5. Step 5: Solve for x
    x = 136,447,897.06/13,366.41
  6. Step 6: Final answer
    x = 10,208.27

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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.