Home / 19,300.16-26,635.20-10,919.36

Finding the Fourth Proportional to 19,300.16, 26,635.20 and 10,919.36

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Solution

The fourth proportional to 19,300.16, 26,635.20 and 10,919.36 is: 15,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300.16 : 26,635.20 = 10,919.36 : x
  2. Step 2: Convert to fraction form
    19,300.16/26,635.20 = 10,919.36/x
  3. Step 3: Cross multiply
    19,300.16x = 26,635.20 × 10,919.36
  4. Step 4: Simplify right side
    19,300.16x = 290,839,337.47
  5. Step 5: Solve for x
    x = 290,839,337.47/19,300.16
  6. Step 6: Final answer
    x = 15,069.27

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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.