Home / 25,781.40-35,595.48-19,802.38

Finding the Fourth Proportional to 25,781.40, 35,595.48 and 19,802.38

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Solution

The fourth proportional to 25,781.40, 35,595.48 and 19,802.38 is: 27,340.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,781.40 : 35,595.48 = 19,802.38 : x
  2. Step 2: Convert to fraction form
    25,781.40/35,595.48 = 19,802.38/x
  3. Step 3: Cross multiply
    25,781.40x = 35,595.48 × 19,802.38
  4. Step 4: Simplify right side
    25,781.40x = 704,875,221.24
  5. Step 5: Solve for x
    x = 704,875,221.24/25,781.40
  6. Step 6: Final answer
    x = 27,340.46

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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.