Home / 18,723.30-25,838.54-10,225.76

Finding the Fourth Proportional to 18,723.30, 25,838.54 and 10,225.76

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Solution

The fourth proportional to 18,723.30, 25,838.54 and 10,225.76 is: 14,111.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.30 : 25,838.54 = 10,225.76 : x
  2. Step 2: Convert to fraction form
    18,723.30/25,838.54 = 10,225.76/x
  3. Step 3: Cross multiply
    18,723.30x = 25,838.54 × 10,225.76
  4. Step 4: Simplify right side
    18,723.30x = 264,218,528.47
  5. Step 5: Solve for x
    x = 264,218,528.47/18,723.30
  6. Step 6: Final answer
    x = 14,111.75

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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.