Home / 19,436.62-26,830.81-13,066.91

Finding the Fourth Proportional to 19,436.62, 26,830.81 and 13,066.91

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Solution

The fourth proportional to 19,436.62, 26,830.81 and 13,066.91 is: 18,037.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.62 : 26,830.81 = 13,066.91 : x
  2. Step 2: Convert to fraction form
    19,436.62/26,830.81 = 13,066.91/x
  3. Step 3: Cross multiply
    19,436.62x = 26,830.81 × 13,066.91
  4. Step 4: Simplify right side
    19,436.62x = 350,595,689.00
  5. Step 5: Solve for x
    x = 350,595,689.00/19,436.62
  6. Step 6: Final answer
    x = 18,037.89

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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.