Home / 15,271.21-22,899.57-5,915.61

Finding the Fourth Proportional to 15,271.21, 22,899.57 and 5,915.61

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Solution

The fourth proportional to 15,271.21, 22,899.57 and 5,915.61 is: 8,870.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,271.21 : 22,899.57 = 5,915.61 : x
  2. Step 2: Convert to fraction form
    15,271.21/22,899.57 = 5,915.61/x
  3. Step 3: Cross multiply
    15,271.21x = 22,899.57 × 5,915.61
  4. Step 4: Simplify right side
    15,271.21x = 135,464,925.29
  5. Step 5: Solve for x
    x = 135,464,925.29/15,271.21
  6. Step 6: Final answer
    x = 8,870.61

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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.