Home / 19,811.04-29,685.26-7,313.84

Finding the Fourth Proportional to 19,811.04, 29,685.26 and 7,313.84

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Solution

The fourth proportional to 19,811.04, 29,685.26 and 7,313.84 is: 10,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811.04 : 29,685.26 = 7,313.84 : x
  2. Step 2: Convert to fraction form
    19,811.04/29,685.26 = 7,313.84/x
  3. Step 3: Cross multiply
    19,811.04x = 29,685.26 × 7,313.84
  4. Step 4: Simplify right side
    19,811.04x = 217,113,242.00
  5. Step 5: Solve for x
    x = 217,113,242.00/19,811.04
  6. Step 6: Final answer
    x = 10,959.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.