Home / 18,695.52-25,799.84-10,312

Finding the Fourth Proportional to 18,695.52, 25,799.84 and 10,312

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Solution

The fourth proportional to 18,695.52, 25,799.84 and 10,312 is: 14,230.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.52 : 25,799.84 = 10,312 : x
  2. Step 2: Convert to fraction form
    18,695.52/25,799.84 = 10,312/x
  3. Step 3: Cross multiply
    18,695.52x = 25,799.84 × 10,312
  4. Step 4: Simplify right side
    18,695.52x = 266,047,950.08
  5. Step 5: Solve for x
    x = 266,047,950.08/18,695.52
  6. Step 6: Final answer
    x = 14,230.57

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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.