Home / 19,718.76-27,210.98-10,766.68

Finding the Fourth Proportional to 19,718.76, 27,210.98 and 10,766.68

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Solution

The fourth proportional to 19,718.76, 27,210.98 and 10,766.68 is: 14,857.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.76 : 27,210.98 = 10,766.68 : x
  2. Step 2: Convert to fraction form
    19,718.76/27,210.98 = 10,766.68/x
  3. Step 3: Cross multiply
    19,718.76x = 27,210.98 × 10,766.68
  4. Step 4: Simplify right side
    19,718.76x = 292,971,914.15
  5. Step 5: Solve for x
    x = 292,971,914.15/19,718.76
  6. Step 6: Final answer
    x = 14,857.52

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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.