Home / 14,167.45-21,253.60-4,307.72

Finding the Fourth Proportional to 14,167.45, 21,253.60 and 4,307.72

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Solution

The fourth proportional to 14,167.45, 21,253.60 and 4,307.72 is: 6,462.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.45 : 21,253.60 = 4,307.72 : x
  2. Step 2: Convert to fraction form
    14,167.45/21,253.60 = 4,307.72/x
  3. Step 3: Cross multiply
    14,167.45x = 21,253.60 × 4,307.72
  4. Step 4: Simplify right side
    14,167.45x = 91,554,557.79
  5. Step 5: Solve for x
    x = 91,554,557.79/14,167.45
  6. Step 6: Final answer
    x = 6,462.32

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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.