Home / 25,276.12-37,915.06-9,479.54

Finding the Fourth Proportional to 25,276.12, 37,915.06 and 9,479.54

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Solution

The fourth proportional to 25,276.12, 37,915.06 and 9,479.54 is: 14,219.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,276.12 : 37,915.06 = 9,479.54 : x
  2. Step 2: Convert to fraction form
    25,276.12/37,915.06 = 9,479.54/x
  3. Step 3: Cross multiply
    25,276.12x = 37,915.06 × 9,479.54
  4. Step 4: Simplify right side
    25,276.12x = 359,417,327.87
  5. Step 5: Solve for x
    x = 359,417,327.87/25,276.12
  6. Step 6: Final answer
    x = 14,219.64

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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.