Home / 19,261.40-26,562.94-14,785.34

Finding the Fourth Proportional to 19,261.40, 26,562.94 and 14,785.34

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Solution

The fourth proportional to 19,261.40, 26,562.94 and 14,785.34 is: 20,390.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.40 : 26,562.94 = 14,785.34 : x
  2. Step 2: Convert to fraction form
    19,261.40/26,562.94 = 14,785.34/x
  3. Step 3: Cross multiply
    19,261.40x = 26,562.94 × 14,785.34
  4. Step 4: Simplify right side
    19,261.40x = 392,741,929.52
  5. Step 5: Solve for x
    x = 392,741,929.52/19,261.40
  6. Step 6: Final answer
    x = 20,390.11

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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.