Home / 14,015.28-21,008.24-5,246.40

Finding the Fourth Proportional to 14,015.28, 21,008.24 and 5,246.40

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Solution

The fourth proportional to 14,015.28, 21,008.24 and 5,246.40 is: 7,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.28 : 21,008.24 = 5,246.40 : x
  2. Step 2: Convert to fraction form
    14,015.28/21,008.24 = 5,246.40/x
  3. Step 3: Cross multiply
    14,015.28x = 21,008.24 × 5,246.40
  4. Step 4: Simplify right side
    14,015.28x = 110,217,630.34
  5. Step 5: Solve for x
    x = 110,217,630.34/14,015.28
  6. Step 6: Final answer
    x = 7,864.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.