Home / 25,152.48-37,728.80-7,622.40

Finding the Fourth Proportional to 25,152.48, 37,728.80 and 7,622.40

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Solution

The fourth proportional to 25,152.48, 37,728.80 and 7,622.40 is: 11,433.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,152.48 : 37,728.80 = 7,622.40 : x
  2. Step 2: Convert to fraction form
    25,152.48/37,728.80 = 7,622.40/x
  3. Step 3: Cross multiply
    25,152.48x = 37,728.80 × 7,622.40
  4. Step 4: Simplify right side
    25,152.48x = 287,584,005.12
  5. Step 5: Solve for x
    x = 287,584,005.12/25,152.48
  6. Step 6: Final answer
    x = 11,433.62

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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.