Home / 14,607.40-21,885.90-6,800.20

Finding the Fourth Proportional to 14,607.40, 21,885.90 and 6,800.20

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Solution

The fourth proportional to 14,607.40, 21,885.90 and 6,800.20 is: 10,188.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,607.40 : 21,885.90 = 6,800.20 : x
  2. Step 2: Convert to fraction form
    14,607.40/21,885.90 = 6,800.20/x
  3. Step 3: Cross multiply
    14,607.40x = 21,885.90 × 6,800.20
  4. Step 4: Simplify right side
    14,607.40x = 148,828,497.18
  5. Step 5: Solve for x
    x = 148,828,497.18/14,607.40
  6. Step 6: Final answer
    x = 10,188.57

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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.