Home / 19,116.70-26,388-16,417.03

Finding the Fourth Proportional to 19,116.70, 26,388 and 16,417.03

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Solution

The fourth proportional to 19,116.70, 26,388 and 16,417.03 is: 22,661.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.70 : 26,388 = 16,417.03 : x
  2. Step 2: Convert to fraction form
    19,116.70/26,388 = 16,417.03/x
  3. Step 3: Cross multiply
    19,116.70x = 26,388 × 16,417.03
  4. Step 4: Simplify right side
    19,116.70x = 433,212,587.64
  5. Step 5: Solve for x
    x = 433,212,587.64/19,116.70
  6. Step 6: Final answer
    x = 22,661.47

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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.