Home / 14,937.10-20,612.53-8,223.16

Finding the Fourth Proportional to 14,937.10, 20,612.53 and 8,223.16

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Solution

The fourth proportional to 14,937.10, 20,612.53 and 8,223.16 is: 11,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937.10 : 20,612.53 = 8,223.16 : x
  2. Step 2: Convert to fraction form
    14,937.10/20,612.53 = 8,223.16/x
  3. Step 3: Cross multiply
    14,937.10x = 20,612.53 × 8,223.16
  4. Step 4: Simplify right side
    14,937.10x = 169,499,988.02
  5. Step 5: Solve for x
    x = 169,499,988.02/14,937.10
  6. Step 6: Final answer
    x = 11,347.59

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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.