Home / 21,365.04-29,468.92-19,602.48

Finding the Fourth Proportional to 21,365.04, 29,468.92 and 19,602.48

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Solution

The fourth proportional to 21,365.04, 29,468.92 and 19,602.48 is: 27,037.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,365.04 : 29,468.92 = 19,602.48 : x
  2. Step 2: Convert to fraction form
    21,365.04/29,468.92 = 19,602.48/x
  3. Step 3: Cross multiply
    21,365.04x = 29,468.92 × 19,602.48
  4. Step 4: Simplify right side
    21,365.04x = 577,663,914.92
  5. Step 5: Solve for x
    x = 577,663,914.92/21,365.04
  6. Step 6: Final answer
    x = 27,037.81

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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.