Home / 15,057.04-20,771.07-10,014.79

Finding the Fourth Proportional to 15,057.04, 20,771.07 and 10,014.79

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Solution

The fourth proportional to 15,057.04, 20,771.07 and 10,014.79 is: 13,815.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057.04 : 20,771.07 = 10,014.79 : x
  2. Step 2: Convert to fraction form
    15,057.04/20,771.07 = 10,014.79/x
  3. Step 3: Cross multiply
    15,057.04x = 20,771.07 × 10,014.79
  4. Step 4: Simplify right side
    15,057.04x = 208,017,904.13
  5. Step 5: Solve for x
    x = 208,017,904.13/15,057.04
  6. Step 6: Final answer
    x = 13,815.33

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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.