Home / 14,280.98-19,708.32-7,993.34

Finding the Fourth Proportional to 14,280.98, 19,708.32 and 7,993.34

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Solution

The fourth proportional to 14,280.98, 19,708.32 and 7,993.34 is: 11,031.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.98 : 19,708.32 = 7,993.34 : x
  2. Step 2: Convert to fraction form
    14,280.98/19,708.32 = 7,993.34/x
  3. Step 3: Cross multiply
    14,280.98x = 19,708.32 × 7,993.34
  4. Step 4: Simplify right side
    14,280.98x = 157,535,302.59
  5. Step 5: Solve for x
    x = 157,535,302.59/14,280.98
  6. Step 6: Final answer
    x = 11,031.13

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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.