Home / 19,928.60-29,892.90-6,075.80

Finding the Fourth Proportional to 19,928.60, 29,892.90 and 6,075.80

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Solution

The fourth proportional to 19,928.60, 29,892.90 and 6,075.80 is: 9,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.60 : 29,892.90 = 6,075.80 : x
  2. Step 2: Convert to fraction form
    19,928.60/29,892.90 = 6,075.80/x
  3. Step 3: Cross multiply
    19,928.60x = 29,892.90 × 6,075.80
  4. Step 4: Simplify right side
    19,928.60x = 181,623,281.82
  5. Step 5: Solve for x
    x = 181,623,281.82/19,928.60
  6. Step 6: Final answer
    x = 9,113.70

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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.