Home / 15,931.08-21,974.49-10,625.58

Finding the Fourth Proportional to 15,931.08, 21,974.49 and 10,625.58

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Solution

The fourth proportional to 15,931.08, 21,974.49 and 10,625.58 is: 14,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,931.08 : 21,974.49 = 10,625.58 : x
  2. Step 2: Convert to fraction form
    15,931.08/21,974.49 = 10,625.58/x
  3. Step 3: Cross multiply
    15,931.08x = 21,974.49 × 10,625.58
  4. Step 4: Simplify right side
    15,931.08x = 233,491,701.45
  5. Step 5: Solve for x
    x = 233,491,701.45/15,931.08
  6. Step 6: Final answer
    x = 14,656.36

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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.