Home / 25,189.54-37,756.58-10,390.36

Finding the Fourth Proportional to 25,189.54, 37,756.58 and 10,390.36

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Solution

The fourth proportional to 25,189.54, 37,756.58 and 10,390.36 is: 15,574.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,189.54 : 37,756.58 = 10,390.36 : x
  2. Step 2: Convert to fraction form
    25,189.54/37,756.58 = 10,390.36/x
  3. Step 3: Cross multiply
    25,189.54x = 37,756.58 × 10,390.36
  4. Step 4: Simplify right side
    25,189.54x = 392,304,458.57
  5. Step 5: Solve for x
    x = 392,304,458.57/25,189.54
  6. Step 6: Final answer
    x = 15,574.10

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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.