Home / 25,663.14-35,435.16-19,685.34

Finding the Fourth Proportional to 25,663.14, 35,435.16 and 19,685.34

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Solution

The fourth proportional to 25,663.14, 35,435.16 and 19,685.34 is: 27,181.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,663.14 : 35,435.16 = 19,685.34 : x
  2. Step 2: Convert to fraction form
    25,663.14/35,435.16 = 19,685.34/x
  3. Step 3: Cross multiply
    25,663.14x = 35,435.16 × 19,685.34
  4. Step 4: Simplify right side
    25,663.14x = 697,553,172.55
  5. Step 5: Solve for x
    x = 697,553,172.55/25,663.14
  6. Step 6: Final answer
    x = 27,181.13

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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.