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Finding the Fourth Proportional to 19,130.67, 26,347.50 and 16,477.11

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Solution

The fourth proportional to 19,130.67, 26,347.50 and 16,477.11 is: 22,692.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.67 : 26,347.50 = 16,477.11 : x
  2. Step 2: Convert to fraction form
    19,130.67/26,347.50 = 16,477.11/x
  3. Step 3: Cross multiply
    19,130.67x = 26,347.50 × 16,477.11
  4. Step 4: Simplify right side
    19,130.67x = 434,130,655.73
  5. Step 5: Solve for x
    x = 434,130,655.73/19,130.67
  6. Step 6: Final answer
    x = 22,692.91

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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.