Home / 19,410.17-29,121.41-6,929.93

Finding the Fourth Proportional to 19,410.17, 29,121.41 and 6,929.93

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Solution

The fourth proportional to 19,410.17, 29,121.41 and 6,929.93 is: 10,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,410.17 : 29,121.41 = 6,929.93 : x
  2. Step 2: Convert to fraction form
    19,410.17/29,121.41 = 6,929.93/x
  3. Step 3: Cross multiply
    19,410.17x = 29,121.41 × 6,929.93
  4. Step 4: Simplify right side
    19,410.17x = 201,809,422.93
  5. Step 5: Solve for x
    x = 201,809,422.93/19,410.17
  6. Step 6: Final answer
    x = 10,397.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.