Home / 18,501.45-25,500.90-14,023.77

Finding the Fourth Proportional to 18,501.45, 25,500.90 and 14,023.77

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Solution

The fourth proportional to 18,501.45, 25,500.90 and 14,023.77 is: 19,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.45 : 25,500.90 = 14,023.77 : x
  2. Step 2: Convert to fraction form
    18,501.45/25,500.90 = 14,023.77/x
  3. Step 3: Cross multiply
    18,501.45x = 25,500.90 × 14,023.77
  4. Step 4: Simplify right side
    18,501.45x = 357,618,756.39
  5. Step 5: Solve for x
    x = 357,618,756.39/18,501.45
  6. Step 6: Final answer
    x = 19,329.23

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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.