Home / 19,116.69-26,381.37-10,619.58

Finding the Fourth Proportional to 19,116.69, 26,381.37 and 10,619.58

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Solution

The fourth proportional to 19,116.69, 26,381.37 and 10,619.58 is: 14,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.69 : 26,381.37 = 10,619.58 : x
  2. Step 2: Convert to fraction form
    19,116.69/26,381.37 = 10,619.58/x
  3. Step 3: Cross multiply
    19,116.69x = 26,381.37 × 10,619.58
  4. Step 4: Simplify right side
    19,116.69x = 280,159,069.22
  5. Step 5: Solve for x
    x = 280,159,069.22/19,116.69
  6. Step 6: Final answer
    x = 14,655.21

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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.