Home / 27,715.22-38,246.99-14,968.40

Finding the Fourth Proportional to 27,715.22, 38,246.99 and 14,968.40

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Solution

The fourth proportional to 27,715.22, 38,246.99 and 14,968.40 is: 20,656.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,715.22 : 38,246.99 = 14,968.40 : x
  2. Step 2: Convert to fraction form
    27,715.22/38,246.99 = 14,968.40/x
  3. Step 3: Cross multiply
    27,715.22x = 38,246.99 × 14,968.40
  4. Step 4: Simplify right side
    27,715.22x = 572,496,378.15
  5. Step 5: Solve for x
    x = 572,496,378.15/27,715.22
  6. Step 6: Final answer
    x = 20,656.39

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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.