Home / 18,583.63-25,644.98-10,085.76

Finding the Fourth Proportional to 18,583.63, 25,644.98 and 10,085.76

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Solution

The fourth proportional to 18,583.63, 25,644.98 and 10,085.76 is: 13,918.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.63 : 25,644.98 = 10,085.76 : x
  2. Step 2: Convert to fraction form
    18,583.63/25,644.98 = 10,085.76/x
  3. Step 3: Cross multiply
    18,583.63x = 25,644.98 × 10,085.76
  4. Step 4: Simplify right side
    18,583.63x = 258,649,152.38
  5. Step 5: Solve for x
    x = 258,649,152.38/18,583.63
  6. Step 6: Final answer
    x = 13,918.12

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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.