Home / 14,985.80-22,478.70-6,218.36

Finding the Fourth Proportional to 14,985.80, 22,478.70 and 6,218.36

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Solution

The fourth proportional to 14,985.80, 22,478.70 and 6,218.36 is: 9,327.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985.80 : 22,478.70 = 6,218.36 : x
  2. Step 2: Convert to fraction form
    14,985.80/22,478.70 = 6,218.36/x
  3. Step 3: Cross multiply
    14,985.80x = 22,478.70 × 6,218.36
  4. Step 4: Simplify right side
    14,985.80x = 139,780,648.93
  5. Step 5: Solve for x
    x = 139,780,648.93/14,985.80
  6. Step 6: Final answer
    x = 9,327.54

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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.