Home / 19,521.12-29,213.58-15,970.08

Finding the Fourth Proportional to 19,521.12, 29,213.58 and 15,970.08

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Solution

The fourth proportional to 19,521.12, 29,213.58 and 15,970.08 is: 23,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521.12 : 29,213.58 = 15,970.08 : x
  2. Step 2: Convert to fraction form
    19,521.12/29,213.58 = 15,970.08/x
  3. Step 3: Cross multiply
    19,521.12x = 29,213.58 × 15,970.08
  4. Step 4: Simplify right side
    19,521.12x = 466,543,209.69
  5. Step 5: Solve for x
    x = 466,543,209.69/19,521.12
  6. Step 6: Final answer
    x = 23,899.41

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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.