Home / 22,705.80-34,058.70-7,123.40

Finding the Fourth Proportional to 22,705.80, 34,058.70 and 7,123.40

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Solution

The fourth proportional to 22,705.80, 34,058.70 and 7,123.40 is: 10,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,705.80 : 34,058.70 = 7,123.40 : x
  2. Step 2: Convert to fraction form
    22,705.80/34,058.70 = 7,123.40/x
  3. Step 3: Cross multiply
    22,705.80x = 34,058.70 × 7,123.40
  4. Step 4: Simplify right side
    22,705.80x = 242,613,743.58
  5. Step 5: Solve for x
    x = 242,613,743.58/22,705.80
  6. Step 6: Final answer
    x = 10,685.10

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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.