Home / 19,659.48-29,465.98-19,440.24

Finding the Fourth Proportional to 19,659.48, 29,465.98 and 19,440.24

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Solution

The fourth proportional to 19,659.48, 29,465.98 and 19,440.24 is: 29,137.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659.48 : 29,465.98 = 19,440.24 : x
  2. Step 2: Convert to fraction form
    19,659.48/29,465.98 = 19,440.24/x
  3. Step 3: Cross multiply
    19,659.48x = 29,465.98 × 19,440.24
  4. Step 4: Simplify right side
    19,659.48x = 572,825,723.04
  5. Step 5: Solve for x
    x = 572,825,723.04/19,659.48
  6. Step 6: Final answer
    x = 29,137.38

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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.