Home / 15,208.07-20,989.67-14,808.33

Finding the Fourth Proportional to 15,208.07, 20,989.67 and 14,808.33

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Solution

The fourth proportional to 15,208.07, 20,989.67 and 14,808.33 is: 20,437.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,208.07 : 20,989.67 = 14,808.33 : x
  2. Step 2: Convert to fraction form
    15,208.07/20,989.67 = 14,808.33/x
  3. Step 3: Cross multiply
    15,208.07x = 20,989.67 × 14,808.33
  4. Step 4: Simplify right side
    15,208.07x = 310,821,885.91
  5. Step 5: Solve for x
    x = 310,821,885.91/15,208.07
  6. Step 6: Final answer
    x = 20,437.96

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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.