Home / 27,486.72-37,931.76-14,911.56

Finding the Fourth Proportional to 27,486.72, 37,931.76 and 14,911.56

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Solution

The fourth proportional to 27,486.72, 37,931.76 and 14,911.56 is: 20,578.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,486.72 : 37,931.76 = 14,911.56 : x
  2. Step 2: Convert to fraction form
    27,486.72/37,931.76 = 14,911.56/x
  3. Step 3: Cross multiply
    27,486.72x = 37,931.76 × 14,911.56
  4. Step 4: Simplify right side
    27,486.72x = 565,621,715.15
  5. Step 5: Solve for x
    x = 565,621,715.15/27,486.72
  6. Step 6: Final answer
    x = 20,578.00

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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.