Home / 19,718.51-27,211.93-10,766.39

Finding the Fourth Proportional to 19,718.51, 27,211.93 and 10,766.39

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Solution

The fourth proportional to 19,718.51, 27,211.93 and 10,766.39 is: 14,857.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.51 : 27,211.93 = 10,766.39 : x
  2. Step 2: Convert to fraction form
    19,718.51/27,211.93 = 10,766.39/x
  3. Step 3: Cross multiply
    19,718.51x = 27,211.93 × 10,766.39
  4. Step 4: Simplify right side
    19,718.51x = 292,974,088.06
  5. Step 5: Solve for x
    x = 292,974,088.06/19,718.51
  6. Step 6: Final answer
    x = 14,857.82

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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.