Home / 27,486.18-37,931.13-14,911.02

Finding the Fourth Proportional to 27,486.18, 37,931.13 and 14,911.02

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Solution

The fourth proportional to 27,486.18, 37,931.13 and 14,911.02 is: 20,577.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,486.18 : 37,931.13 = 14,911.02 : x
  2. Step 2: Convert to fraction form
    27,486.18/37,931.13 = 14,911.02/x
  3. Step 3: Cross multiply
    27,486.18x = 37,931.13 × 14,911.02
  4. Step 4: Simplify right side
    27,486.18x = 565,591,838.05
  5. Step 5: Solve for x
    x = 565,591,838.05/27,486.18
  6. Step 6: Final answer
    x = 20,577.32

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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.