Home / 19,343.83-26,692.47-11,385.58

Finding the Fourth Proportional to 19,343.83, 26,692.47 and 11,385.58

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Solution

The fourth proportional to 19,343.83, 26,692.47 and 11,385.58 is: 15,710.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,343.83 : 26,692.47 = 11,385.58 : x
  2. Step 2: Convert to fraction form
    19,343.83/26,692.47 = 11,385.58/x
  3. Step 3: Cross multiply
    19,343.83x = 26,692.47 × 11,385.58
  4. Step 4: Simplify right side
    19,343.83x = 303,909,252.58
  5. Step 5: Solve for x
    x = 303,909,252.58/19,343.83
  6. Step 6: Final answer
    x = 15,710.91

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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.