Home / 14,281.98-19,709.70-7,994.34

Finding the Fourth Proportional to 14,281.98, 19,709.70 and 7,994.34

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Solution

The fourth proportional to 14,281.98, 19,709.70 and 7,994.34 is: 11,032.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.98 : 19,709.70 = 7,994.34 : x
  2. Step 2: Convert to fraction form
    14,281.98/19,709.70 = 7,994.34/x
  3. Step 3: Cross multiply
    14,281.98x = 19,709.70 × 7,994.34
  4. Step 4: Simplify right side
    14,281.98x = 157,566,043.10
  5. Step 5: Solve for x
    x = 157,566,043.10/14,281.98
  6. Step 6: Final answer
    x = 11,032.51

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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.