Home / 18,492.86-25,520.14-10,109.36

Finding the Fourth Proportional to 18,492.86, 25,520.14 and 10,109.36

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Solution

The fourth proportional to 18,492.86, 25,520.14 and 10,109.36 is: 13,950.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,492.86 : 25,520.14 = 10,109.36 : x
  2. Step 2: Convert to fraction form
    18,492.86/25,520.14 = 10,109.36/x
  3. Step 3: Cross multiply
    18,492.86x = 25,520.14 × 10,109.36
  4. Step 4: Simplify right side
    18,492.86x = 257,992,282.51
  5. Step 5: Solve for x
    x = 257,992,282.51/18,492.86
  6. Step 6: Final answer
    x = 13,950.91

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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.