Home / 14,702.86-20,278.21-9,672.26

Finding the Fourth Proportional to 14,702.86, 20,278.21 and 9,672.26

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Solution

The fourth proportional to 14,702.86, 20,278.21 and 9,672.26 is: 13,340.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,702.86 : 20,278.21 = 9,672.26 : x
  2. Step 2: Convert to fraction form
    14,702.86/20,278.21 = 9,672.26/x
  3. Step 3: Cross multiply
    14,702.86x = 20,278.21 × 9,672.26
  4. Step 4: Simplify right side
    14,702.86x = 196,136,119.45
  5. Step 5: Solve for x
    x = 196,136,119.45/14,702.86
  6. Step 6: Final answer
    x = 13,340.00

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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.