Home / 14,255.09-19,669.32-9,225.59

Finding the Fourth Proportional to 14,255.09, 19,669.32 and 9,225.59

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Solution

The fourth proportional to 14,255.09, 19,669.32 and 9,225.59 is: 12,729.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.09 : 19,669.32 = 9,225.59 : x
  2. Step 2: Convert to fraction form
    14,255.09/19,669.32 = 9,225.59/x
  3. Step 3: Cross multiply
    14,255.09x = 19,669.32 × 9,225.59
  4. Step 4: Simplify right side
    14,255.09x = 181,461,081.90
  5. Step 5: Solve for x
    x = 181,461,081.90/14,255.09
  6. Step 6: Final answer
    x = 12,729.56

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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.