Home / 18,501.95-25,532.31-10,118.45

Finding the Fourth Proportional to 18,501.95, 25,532.31 and 10,118.45

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Solution

The fourth proportional to 18,501.95, 25,532.31 and 10,118.45 is: 13,963.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.95 : 25,532.31 = 10,118.45 : x
  2. Step 2: Convert to fraction form
    18,501.95/25,532.31 = 10,118.45/x
  3. Step 3: Cross multiply
    18,501.95x = 25,532.31 × 10,118.45
  4. Step 4: Simplify right side
    18,501.95x = 258,347,503.89
  5. Step 5: Solve for x
    x = 258,347,503.89/18,501.95
  6. Step 6: Final answer
    x = 13,963.26

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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.