Home / 27,558.62-38,031.18-14,983.64

Finding the Fourth Proportional to 27,558.62, 38,031.18 and 14,983.64

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Solution

The fourth proportional to 27,558.62, 38,031.18 and 14,983.64 is: 20,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,558.62 : 38,031.18 = 14,983.64 : x
  2. Step 2: Convert to fraction form
    27,558.62/38,031.18 = 14,983.64/x
  3. Step 3: Cross multiply
    27,558.62x = 38,031.18 × 14,983.64
  4. Step 4: Simplify right side
    27,558.62x = 569,845,509.90
  5. Step 5: Solve for x
    x = 569,845,509.90/27,558.62
  6. Step 6: Final answer
    x = 20,677.58

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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.