Home / 19,823.87-27,358.20-13,097.70

Finding the Fourth Proportional to 19,823.87, 27,358.20 and 13,097.70

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Solution

The fourth proportional to 19,823.87, 27,358.20 and 13,097.70 is: 18,075.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.87 : 27,358.20 = 13,097.70 : x
  2. Step 2: Convert to fraction form
    19,823.87/27,358.20 = 13,097.70/x
  3. Step 3: Cross multiply
    19,823.87x = 27,358.20 × 13,097.70
  4. Step 4: Simplify right side
    19,823.87x = 358,329,496.14
  5. Step 5: Solve for x
    x = 358,329,496.14/19,823.87
  6. Step 6: Final answer
    x = 18,075.66

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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.