Home / 18,242.58-25,144.47-14,459.07

Finding the Fourth Proportional to 18,242.58, 25,144.47 and 14,459.07

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Solution

The fourth proportional to 18,242.58, 25,144.47 and 14,459.07 is: 19,929.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242.58 : 25,144.47 = 14,459.07 : x
  2. Step 2: Convert to fraction form
    18,242.58/25,144.47 = 14,459.07/x
  3. Step 3: Cross multiply
    18,242.58x = 25,144.47 × 14,459.07
  4. Step 4: Simplify right side
    18,242.58x = 363,565,651.84
  5. Step 5: Solve for x
    x = 363,565,651.84/18,242.58
  6. Step 6: Final answer
    x = 19,929.51

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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.