Home / 13,753.37-18,979.66-7,465.75

Finding the Fourth Proportional to 13,753.37, 18,979.66 and 7,465.75

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Solution

The fourth proportional to 13,753.37, 18,979.66 and 7,465.75 is: 10,302.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.37 : 18,979.66 = 7,465.75 : x
  2. Step 2: Convert to fraction form
    13,753.37/18,979.66 = 7,465.75/x
  3. Step 3: Cross multiply
    13,753.37x = 18,979.66 × 7,465.75
  4. Step 4: Simplify right side
    13,753.37x = 141,697,358.53
  5. Step 5: Solve for x
    x = 141,697,358.53/13,753.37
  6. Step 6: Final answer
    x = 10,302.74

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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.