Home / 19,570.77-27,006.84-10,618.11

Finding the Fourth Proportional to 19,570.77, 27,006.84 and 10,618.11

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Solution

The fourth proportional to 19,570.77, 27,006.84 and 10,618.11 is: 14,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570.77 : 27,006.84 = 10,618.11 : x
  2. Step 2: Convert to fraction form
    19,570.77/27,006.84 = 10,618.11/x
  3. Step 3: Cross multiply
    19,570.77x = 27,006.84 × 10,618.11
  4. Step 4: Simplify right side
    19,570.77x = 286,761,597.87
  5. Step 5: Solve for x
    x = 286,761,597.87/19,570.77
  6. Step 6: Final answer
    x = 14,652.55

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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.