Home / 19,818.76-27,350.12-11,322.01

Finding the Fourth Proportional to 19,818.76, 27,350.12 and 11,322.01

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Solution

The fourth proportional to 19,818.76, 27,350.12 and 11,322.01 is: 15,624.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.76 : 27,350.12 = 11,322.01 : x
  2. Step 2: Convert to fraction form
    19,818.76/27,350.12 = 11,322.01/x
  3. Step 3: Cross multiply
    19,818.76x = 27,350.12 × 11,322.01
  4. Step 4: Simplify right side
    19,818.76x = 309,658,332.14
  5. Step 5: Solve for x
    x = 309,658,332.14/19,818.76
  6. Step 6: Final answer
    x = 15,624.51

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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.