Home / 14,283.06-19,709.10-7,994.22

Finding the Fourth Proportional to 14,283.06, 19,709.10 and 7,994.22

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Solution

The fourth proportional to 14,283.06, 19,709.10 and 7,994.22 is: 11,031.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.06 : 19,709.10 = 7,994.22 : x
  2. Step 2: Convert to fraction form
    14,283.06/19,709.10 = 7,994.22/x
  3. Step 3: Cross multiply
    14,283.06x = 19,709.10 × 7,994.22
  4. Step 4: Simplify right side
    14,283.06x = 157,558,881.40
  5. Step 5: Solve for x
    x = 157,558,881.40/14,283.06
  6. Step 6: Final answer
    x = 11,031.17

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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.