Home / 14,718.50-20,311.45-8,004.07

Finding the Fourth Proportional to 14,718.50, 20,311.45 and 8,004.07

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Solution

The fourth proportional to 14,718.50, 20,311.45 and 8,004.07 is: 11,045.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,718.50 : 20,311.45 = 8,004.07 : x
  2. Step 2: Convert to fraction form
    14,718.50/20,311.45 = 8,004.07/x
  3. Step 3: Cross multiply
    14,718.50x = 20,311.45 × 8,004.07
  4. Step 4: Simplify right side
    14,718.50x = 162,574,267.60
  5. Step 5: Solve for x
    x = 162,574,267.60/14,718.50
  6. Step 6: Final answer
    x = 11,045.57

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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.