Home / 18,837.36-25,981.14-13,799.76

Finding the Fourth Proportional to 18,837.36, 25,981.14 and 13,799.76

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Solution

The fourth proportional to 18,837.36, 25,981.14 and 13,799.76 is: 19,033.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.36 : 25,981.14 = 13,799.76 : x
  2. Step 2: Convert to fraction form
    18,837.36/25,981.14 = 13,799.76/x
  3. Step 3: Cross multiply
    18,837.36x = 25,981.14 × 13,799.76
  4. Step 4: Simplify right side
    18,837.36x = 358,533,496.53
  5. Step 5: Solve for x
    x = 358,533,496.53/18,837.36
  6. Step 6: Final answer
    x = 19,033.11

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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.