Home / 19,219.20-26,522.08-10,838.40

Finding the Fourth Proportional to 19,219.20, 26,522.08 and 10,838.40

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Solution

The fourth proportional to 19,219.20, 26,522.08 and 10,838.40 is: 14,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.20 : 26,522.08 = 10,838.40 : x
  2. Step 2: Convert to fraction form
    19,219.20/26,522.08 = 10,838.40/x
  3. Step 3: Cross multiply
    19,219.20x = 26,522.08 × 10,838.40
  4. Step 4: Simplify right side
    19,219.20x = 287,456,911.87
  5. Step 5: Solve for x
    x = 287,456,911.87/19,219.20
  6. Step 6: Final answer
    x = 14,956.76

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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.