Home / 27,720.08-41,594.02-12,930.16

Finding the Fourth Proportional to 27,720.08, 41,594.02 and 12,930.16

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Solution

The fourth proportional to 27,720.08, 41,594.02 and 12,930.16 is: 19,401.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720.08 : 41,594.02 = 12,930.16 : x
  2. Step 2: Convert to fraction form
    27,720.08/41,594.02 = 12,930.16/x
  3. Step 3: Cross multiply
    27,720.08x = 41,594.02 × 12,930.16
  4. Step 4: Simplify right side
    27,720.08x = 537,817,333.64
  5. Step 5: Solve for x
    x = 537,817,333.64/27,720.08
  6. Step 6: Final answer
    x = 19,401.72

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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.