Home / 19,022.05-26,256.53-13,358.17

Finding the Fourth Proportional to 19,022.05, 26,256.53 and 13,358.17

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Solution

The fourth proportional to 19,022.05, 26,256.53 and 13,358.17 is: 18,438.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.05 : 26,256.53 = 13,358.17 : x
  2. Step 2: Convert to fraction form
    19,022.05/26,256.53 = 13,358.17/x
  3. Step 3: Cross multiply
    19,022.05x = 26,256.53 × 13,358.17
  4. Step 4: Simplify right side
    19,022.05x = 350,739,191.35
  5. Step 5: Solve for x
    x = 350,739,191.35/19,022.05
  6. Step 6: Final answer
    x = 18,438.56

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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.