Home / 19,123.27-26,393.90-12,220.02

Finding the Fourth Proportional to 19,123.27, 26,393.90 and 12,220.02

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Solution

The fourth proportional to 19,123.27, 26,393.90 and 12,220.02 is: 16,866.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123.27 : 26,393.90 = 12,220.02 : x
  2. Step 2: Convert to fraction form
    19,123.27/26,393.90 = 12,220.02/x
  3. Step 3: Cross multiply
    19,123.27x = 26,393.90 × 12,220.02
  4. Step 4: Simplify right side
    19,123.27x = 322,533,924.78
  5. Step 5: Solve for x
    x = 322,533,924.78/19,123.27
  6. Step 6: Final answer
    x = 16,866.04

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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.