Home / 22,722.74-34,089.58-7,140.36

Finding the Fourth Proportional to 22,722.74, 34,089.58 and 7,140.36

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Solution

The fourth proportional to 22,722.74, 34,089.58 and 7,140.36 is: 10,712.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,722.74 : 34,089.58 = 7,140.36 : x
  2. Step 2: Convert to fraction form
    22,722.74/34,089.58 = 7,140.36/x
  3. Step 3: Cross multiply
    22,722.74x = 34,089.58 × 7,140.36
  4. Step 4: Simplify right side
    22,722.74x = 243,411,873.45
  5. Step 5: Solve for x
    x = 243,411,873.45/22,722.74
  6. Step 6: Final answer
    x = 10,712.26

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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.