Home / 26,421.99-36,464.05-14,485.36

Finding the Fourth Proportional to 26,421.99, 36,464.05 and 14,485.36

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Solution

The fourth proportional to 26,421.99, 36,464.05 and 14,485.36 is: 19,990.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,421.99 : 36,464.05 = 14,485.36 : x
  2. Step 2: Convert to fraction form
    26,421.99/36,464.05 = 14,485.36/x
  3. Step 3: Cross multiply
    26,421.99x = 36,464.05 × 14,485.36
  4. Step 4: Simplify right side
    26,421.99x = 528,194,891.31
  5. Step 5: Solve for x
    x = 528,194,891.31/26,421.99
  6. Step 6: Final answer
    x = 19,990.73

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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.