Home / 19,692.63-29,538.80-4,901.45

Finding the Fourth Proportional to 19,692.63, 29,538.80 and 4,901.45

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Solution

The fourth proportional to 19,692.63, 29,538.80 and 4,901.45 is: 7,352.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,692.63 : 29,538.80 = 4,901.45 : x
  2. Step 2: Convert to fraction form
    19,692.63/29,538.80 = 4,901.45/x
  3. Step 3: Cross multiply
    19,692.63x = 29,538.80 × 4,901.45
  4. Step 4: Simplify right side
    19,692.63x = 144,782,939.01
  5. Step 5: Solve for x
    x = 144,782,939.01/19,692.63
  6. Step 6: Final answer
    x = 7,352.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.