Home / 21,864.30-32,796.45-19,358.70

Finding the Fourth Proportional to 21,864.30, 32,796.45 and 19,358.70

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Solution

The fourth proportional to 21,864.30, 32,796.45 and 19,358.70 is: 29,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,864.30 : 32,796.45 = 19,358.70 : x
  2. Step 2: Convert to fraction form
    21,864.30/32,796.45 = 19,358.70/x
  3. Step 3: Cross multiply
    21,864.30x = 32,796.45 × 19,358.70
  4. Step 4: Simplify right side
    21,864.30x = 634,896,636.62
  5. Step 5: Solve for x
    x = 634,896,636.62/21,864.30
  6. Step 6: Final answer
    x = 29,038.05

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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.