Home / 14,274.91-19,699.27-8,222.94

Finding the Fourth Proportional to 14,274.91, 19,699.27 and 8,222.94

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Solution

The fourth proportional to 14,274.91, 19,699.27 and 8,222.94 is: 11,347.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.91 : 19,699.27 = 8,222.94 : x
  2. Step 2: Convert to fraction form
    14,274.91/19,699.27 = 8,222.94/x
  3. Step 3: Cross multiply
    14,274.91x = 19,699.27 × 8,222.94
  4. Step 4: Simplify right side
    14,274.91x = 161,985,925.53
  5. Step 5: Solve for x
    x = 161,985,925.53/14,274.91
  6. Step 6: Final answer
    x = 11,347.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.