Home / 14,610.88-21,916.48-4,222.72

Finding the Fourth Proportional to 14,610.88, 21,916.48 and 4,222.72

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Solution

The fourth proportional to 14,610.88, 21,916.48 and 4,222.72 is: 6,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.88 : 21,916.48 = 4,222.72 : x
  2. Step 2: Convert to fraction form
    14,610.88/21,916.48 = 4,222.72/x
  3. Step 3: Cross multiply
    14,610.88x = 21,916.48 × 4,222.72
  4. Step 4: Simplify right side
    14,610.88x = 92,547,158.43
  5. Step 5: Solve for x
    x = 92,547,158.43/14,610.88
  6. Step 6: Final answer
    x = 6,334.13

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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.