Home / 22,904.10-34,356.15-21,008.70

Finding the Fourth Proportional to 22,904.10, 34,356.15 and 21,008.70

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Solution

The fourth proportional to 22,904.10, 34,356.15 and 21,008.70 is: 31,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,904.10 : 34,356.15 = 21,008.70 : x
  2. Step 2: Convert to fraction form
    22,904.10/34,356.15 = 21,008.70/x
  3. Step 3: Cross multiply
    22,904.10x = 34,356.15 × 21,008.70
  4. Step 4: Simplify right side
    22,904.10x = 721,778,048.51
  5. Step 5: Solve for x
    x = 721,778,048.51/22,904.10
  6. Step 6: Final answer
    x = 31,513.05

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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.