Home / 26,220.08-39,239.64-16,220.72

Finding the Fourth Proportional to 26,220.08, 39,239.64 and 16,220.72

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Solution

The fourth proportional to 26,220.08, 39,239.64 and 16,220.72 is: 24,275.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,220.08 : 39,239.64 = 16,220.72 : x
  2. Step 2: Convert to fraction form
    26,220.08/39,239.64 = 16,220.72/x
  3. Step 3: Cross multiply
    26,220.08x = 39,239.64 × 16,220.72
  4. Step 4: Simplify right side
    26,220.08x = 636,495,213.34
  5. Step 5: Solve for x
    x = 636,495,213.34/26,220.08
  6. Step 6: Final answer
    x = 24,275.11

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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.