Home / 23,035.65-34,373.75-20,553.40

Finding the Fourth Proportional to 23,035.65, 34,373.75 and 20,553.40

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Solution

The fourth proportional to 23,035.65, 34,373.75 and 20,553.40 is: 30,669.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,035.65 : 34,373.75 = 20,553.40 : x
  2. Step 2: Convert to fraction form
    23,035.65/34,373.75 = 20,553.40/x
  3. Step 3: Cross multiply
    23,035.65x = 34,373.75 × 20,553.40
  4. Step 4: Simplify right side
    23,035.65x = 706,497,433.25
  5. Step 5: Solve for x
    x = 706,497,433.25/23,035.65
  6. Step 6: Final answer
    x = 30,669.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.