Home / 19,389.66-29,093.13-10,153.50

Finding the Fourth Proportional to 19,389.66, 29,093.13 and 10,153.50

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Solution

The fourth proportional to 19,389.66, 29,093.13 and 10,153.50 is: 15,234.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.66 : 29,093.13 = 10,153.50 : x
  2. Step 2: Convert to fraction form
    19,389.66/29,093.13 = 10,153.50/x
  3. Step 3: Cross multiply
    19,389.66x = 29,093.13 × 10,153.50
  4. Step 4: Simplify right side
    19,389.66x = 295,397,095.46
  5. Step 5: Solve for x
    x = 295,397,095.46/19,389.66
  6. Step 6: Final answer
    x = 15,234.77

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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.