Home / 22,935.80-34,409.14-7,140.10

Finding the Fourth Proportional to 22,935.80, 34,409.14 and 7,140.10

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Solution

The fourth proportional to 22,935.80, 34,409.14 and 7,140.10 is: 10,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,935.80 : 34,409.14 = 7,140.10 : x
  2. Step 2: Convert to fraction form
    22,935.80/34,409.14 = 7,140.10/x
  3. Step 3: Cross multiply
    22,935.80x = 34,409.14 × 7,140.10
  4. Step 4: Simplify right side
    22,935.80x = 245,684,700.51
  5. Step 5: Solve for x
    x = 245,684,700.51/22,935.80
  6. Step 6: Final answer
    x = 10,711.84

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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.