Home / 27,006.64-37,271.24-15,680.08

Finding the Fourth Proportional to 27,006.64, 37,271.24 and 15,680.08

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Solution

The fourth proportional to 27,006.64, 37,271.24 and 15,680.08 is: 21,639.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,006.64 : 37,271.24 = 15,680.08 : x
  2. Step 2: Convert to fraction form
    27,006.64/37,271.24 = 15,680.08/x
  3. Step 3: Cross multiply
    27,006.64x = 37,271.24 × 15,680.08
  4. Step 4: Simplify right side
    27,006.64x = 584,416,024.90
  5. Step 5: Solve for x
    x = 584,416,024.90/27,006.64
  6. Step 6: Final answer
    x = 21,639.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.