Home / 13,341.71-18,411.30-7,373.63

Finding the Fourth Proportional to 13,341.71, 18,411.30 and 7,373.63

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Solution

The fourth proportional to 13,341.71, 18,411.30 and 7,373.63 is: 10,175.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.71 : 18,411.30 = 7,373.63 : x
  2. Step 2: Convert to fraction form
    13,341.71/18,411.30 = 7,373.63/x
  3. Step 3: Cross multiply
    13,341.71x = 18,411.30 × 7,373.63
  4. Step 4: Simplify right side
    13,341.71x = 135,758,160.05
  5. Step 5: Solve for x
    x = 135,758,160.05/13,341.71
  6. Step 6: Final answer
    x = 10,175.47

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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.