Home / 25,213.80-37,820.70-23,140.20

Finding the Fourth Proportional to 25,213.80, 37,820.70 and 23,140.20

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Solution

The fourth proportional to 25,213.80, 37,820.70 and 23,140.20 is: 34,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,213.80 : 37,820.70 = 23,140.20 : x
  2. Step 2: Convert to fraction form
    25,213.80/37,820.70 = 23,140.20/x
  3. Step 3: Cross multiply
    25,213.80x = 37,820.70 × 23,140.20
  4. Step 4: Simplify right side
    25,213.80x = 875,178,562.14
  5. Step 5: Solve for x
    x = 875,178,562.14/25,213.80
  6. Step 6: Final answer
    x = 34,710.30

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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.