Home / 14,184.33-19,574.21-7,810.79

Finding the Fourth Proportional to 14,184.33, 19,574.21 and 7,810.79

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Solution

The fourth proportional to 14,184.33, 19,574.21 and 7,810.79 is: 10,778.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.33 : 19,574.21 = 7,810.79 : x
  2. Step 2: Convert to fraction form
    14,184.33/19,574.21 = 7,810.79/x
  3. Step 3: Cross multiply
    14,184.33x = 19,574.21 × 7,810.79
  4. Step 4: Simplify right side
    14,184.33x = 152,889,975.26
  5. Step 5: Solve for x
    x = 152,889,975.26/14,184.33
  6. Step 6: Final answer
    x = 10,778.79

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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.