Home / 12,551.50-18,827.64-4,655.98

Finding the Fourth Proportional to 12,551.50, 18,827.64 and 4,655.98

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Solution

The fourth proportional to 12,551.50, 18,827.64 and 4,655.98 is: 6,984.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.50 : 18,827.64 = 4,655.98 : x
  2. Step 2: Convert to fraction form
    12,551.50/18,827.64 = 4,655.98/x
  3. Step 3: Cross multiply
    12,551.50x = 18,827.64 × 4,655.98
  4. Step 4: Simplify right side
    12,551.50x = 87,661,115.29
  5. Step 5: Solve for x
    x = 87,661,115.29/12,551.50
  6. Step 6: Final answer
    x = 6,984.11

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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.