Home / 19,680.93-27,167.27-14,417.55

Finding the Fourth Proportional to 19,680.93, 27,167.27 and 14,417.55

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Solution

The fourth proportional to 19,680.93, 27,167.27 and 14,417.55 is: 19,901.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,680.93 : 27,167.27 = 14,417.55 : x
  2. Step 2: Convert to fraction form
    19,680.93/27,167.27 = 14,417.55/x
  3. Step 3: Cross multiply
    19,680.93x = 27,167.27 × 14,417.55
  4. Step 4: Simplify right side
    19,680.93x = 391,685,401.50
  5. Step 5: Solve for x
    x = 391,685,401.50/19,680.93
  6. Step 6: Final answer
    x = 19,901.77

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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.