Home / 18,416.71-25,415.23-10,458.99

Finding the Fourth Proportional to 18,416.71, 25,415.23 and 10,458.99

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Solution

The fourth proportional to 18,416.71, 25,415.23 and 10,458.99 is: 14,433.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.71 : 25,415.23 = 10,458.99 : x
  2. Step 2: Convert to fraction form
    18,416.71/25,415.23 = 10,458.99/x
  3. Step 3: Cross multiply
    18,416.71x = 25,415.23 × 10,458.99
  4. Step 4: Simplify right side
    18,416.71x = 265,817,610.27
  5. Step 5: Solve for x
    x = 265,817,610.27/18,416.71
  6. Step 6: Final answer
    x = 14,433.50

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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.