Home / 25,135.20-37,775.70-21,927.60

Finding the Fourth Proportional to 25,135.20, 37,775.70 and 21,927.60

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Solution

The fourth proportional to 25,135.20, 37,775.70 and 21,927.60 is: 32,955.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,135.20 : 37,775.70 = 21,927.60 : x
  2. Step 2: Convert to fraction form
    25,135.20/37,775.70 = 21,927.60/x
  3. Step 3: Cross multiply
    25,135.20x = 37,775.70 × 21,927.60
  4. Step 4: Simplify right side
    25,135.20x = 828,330,439.32
  5. Step 5: Solve for x
    x = 828,330,439.32/25,135.20
  6. Step 6: Final answer
    x = 32,955.00

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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.