Home / 13,972.02-20,953.53-4,609.86

Finding the Fourth Proportional to 13,972.02, 20,953.53 and 4,609.86

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Solution

The fourth proportional to 13,972.02, 20,953.53 and 4,609.86 is: 6,913.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.02 : 20,953.53 = 4,609.86 : x
  2. Step 2: Convert to fraction form
    13,972.02/20,953.53 = 4,609.86/x
  3. Step 3: Cross multiply
    13,972.02x = 20,953.53 × 4,609.86
  4. Step 4: Simplify right side
    13,972.02x = 96,592,839.81
  5. Step 5: Solve for x
    x = 96,592,839.81/13,972.02
  6. Step 6: Final answer
    x = 6,913.31

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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.