Home / 18,529.61-25,570.39-10,353.28

Finding the Fourth Proportional to 18,529.61, 25,570.39 and 10,353.28

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Solution

The fourth proportional to 18,529.61, 25,570.39 and 10,353.28 is: 14,287.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.61 : 25,570.39 = 10,353.28 : x
  2. Step 2: Convert to fraction form
    18,529.61/25,570.39 = 10,353.28/x
  3. Step 3: Cross multiply
    18,529.61x = 25,570.39 × 10,353.28
  4. Step 4: Simplify right side
    18,529.61x = 264,737,317.57
  5. Step 5: Solve for x
    x = 264,737,317.57/18,529.61
  6. Step 6: Final answer
    x = 14,287.26

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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.