Home / 18,235.63-25,167.54-10,280.35

Finding the Fourth Proportional to 18,235.63, 25,167.54 and 10,280.35

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Solution

The fourth proportional to 18,235.63, 25,167.54 and 10,280.35 is: 14,188.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.63 : 25,167.54 = 10,280.35 : x
  2. Step 2: Convert to fraction form
    18,235.63/25,167.54 = 10,280.35/x
  3. Step 3: Cross multiply
    18,235.63x = 25,167.54 × 10,280.35
  4. Step 4: Simplify right side
    18,235.63x = 258,731,119.84
  5. Step 5: Solve for x
    x = 258,731,119.84/18,235.63
  6. Step 6: Final answer
    x = 14,188.22

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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.