Home / 25,631.79-35,371.88-14,453.79

Finding the Fourth Proportional to 25,631.79, 35,371.88 and 14,453.79

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Solution

The fourth proportional to 25,631.79, 35,371.88 and 14,453.79 is: 19,946.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,631.79 : 35,371.88 = 14,453.79 : x
  2. Step 2: Convert to fraction form
    25,631.79/35,371.88 = 14,453.79/x
  3. Step 3: Cross multiply
    25,631.79x = 35,371.88 × 14,453.79
  4. Step 4: Simplify right side
    25,631.79x = 511,257,653.16
  5. Step 5: Solve for x
    x = 511,257,653.16/25,631.79
  6. Step 6: Final answer
    x = 19,946.23

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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.