Home / 18,817.48-25,970.34-10,434.52

Finding the Fourth Proportional to 18,817.48, 25,970.34 and 10,434.52

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Solution

The fourth proportional to 18,817.48, 25,970.34 and 10,434.52 is: 14,400.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.48 : 25,970.34 = 10,434.52 : x
  2. Step 2: Convert to fraction form
    18,817.48/25,970.34 = 10,434.52/x
  3. Step 3: Cross multiply
    18,817.48x = 25,970.34 × 10,434.52
  4. Step 4: Simplify right side
    18,817.48x = 270,988,032.14
  5. Step 5: Solve for x
    x = 270,988,032.14/18,817.48
  6. Step 6: Final answer
    x = 14,400.87

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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.