Home / 13,335.76-18,402.99-7,366.46

Finding the Fourth Proportional to 13,335.76, 18,402.99 and 7,366.46

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Solution

The fourth proportional to 13,335.76, 18,402.99 and 7,366.46 is: 10,165.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.76 : 18,402.99 = 7,366.46 : x
  2. Step 2: Convert to fraction form
    13,335.76/18,402.99 = 7,366.46/x
  3. Step 3: Cross multiply
    13,335.76x = 18,402.99 × 7,366.46
  4. Step 4: Simplify right side
    13,335.76x = 135,564,935.72
  5. Step 5: Solve for x
    x = 135,564,935.72/13,335.76
  6. Step 6: Final answer
    x = 10,165.52

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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.