Home / 18,485.49-25,514.51-10,532.40

Finding the Fourth Proportional to 18,485.49, 25,514.51 and 10,532.40

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Solution

The fourth proportional to 18,485.49, 25,514.51 and 10,532.40 is: 14,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485.49 : 25,514.51 = 10,532.40 : x
  2. Step 2: Convert to fraction form
    18,485.49/25,514.51 = 10,532.40/x
  3. Step 3: Cross multiply
    18,485.49x = 25,514.51 × 10,532.40
  4. Step 4: Simplify right side
    18,485.49x = 268,728,972.46
  5. Step 5: Solve for x
    x = 268,728,972.46/18,485.49
  6. Step 6: Final answer
    x = 14,537.30

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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.