Home / 14,027.18-21,031.04-5,259.74

Finding the Fourth Proportional to 14,027.18, 21,031.04 and 5,259.74

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Solution

The fourth proportional to 14,027.18, 21,031.04 and 5,259.74 is: 7,885.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.18 : 21,031.04 = 5,259.74 : x
  2. Step 2: Convert to fraction form
    14,027.18/21,031.04 = 5,259.74/x
  3. Step 3: Cross multiply
    14,027.18x = 21,031.04 × 5,259.74
  4. Step 4: Simplify right side
    14,027.18x = 110,617,710.32
  5. Step 5: Solve for x
    x = 110,617,710.32/14,027.18
  6. Step 6: Final answer
    x = 7,885.96

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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.