Home / 14,278.28-19,731.13-10,735.34

Finding the Fourth Proportional to 14,278.28, 19,731.13 and 10,735.34

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Solution

The fourth proportional to 14,278.28, 19,731.13 and 10,735.34 is: 14,835.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.28 : 19,731.13 = 10,735.34 : x
  2. Step 2: Convert to fraction form
    14,278.28/19,731.13 = 10,735.34/x
  3. Step 3: Cross multiply
    14,278.28x = 19,731.13 × 10,735.34
  4. Step 4: Simplify right side
    14,278.28x = 211,820,263.64
  5. Step 5: Solve for x
    x = 211,820,263.64/14,278.28
  6. Step 6: Final answer
    x = 14,835.14

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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.