Home / 14,567.85-21,862.71-7,999.56

Finding the Fourth Proportional to 14,567.85, 21,862.71 and 7,999.56

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Solution

The fourth proportional to 14,567.85, 21,862.71 and 7,999.56 is: 12,005.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,567.85 : 21,862.71 = 7,999.56 : x
  2. Step 2: Convert to fraction form
    14,567.85/21,862.71 = 7,999.56/x
  3. Step 3: Cross multiply
    14,567.85x = 21,862.71 × 7,999.56
  4. Step 4: Simplify right side
    14,567.85x = 174,892,060.41
  5. Step 5: Solve for x
    x = 174,892,060.41/14,567.85
  6. Step 6: Final answer
    x = 12,005.34

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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.