Home / 14,602.90-20,151.98-8,315.27

Finding the Fourth Proportional to 14,602.90, 20,151.98 and 8,315.27

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Solution

The fourth proportional to 14,602.90, 20,151.98 and 8,315.27 is: 11,475.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,602.90 : 20,151.98 = 8,315.27 : x
  2. Step 2: Convert to fraction form
    14,602.90/20,151.98 = 8,315.27/x
  3. Step 3: Cross multiply
    14,602.90x = 20,151.98 × 8,315.27
  4. Step 4: Simplify right side
    14,602.90x = 167,569,194.72
  5. Step 5: Solve for x
    x = 167,569,194.72/14,602.90
  6. Step 6: Final answer
    x = 11,475.06

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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.