Home / 14,549.16-20,071.62-11,392.68

Finding the Fourth Proportional to 14,549.16, 20,071.62 and 11,392.68

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Solution

The fourth proportional to 14,549.16, 20,071.62 and 11,392.68 is: 15,717.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.16 : 20,071.62 = 11,392.68 : x
  2. Step 2: Convert to fraction form
    14,549.16/20,071.62 = 11,392.68/x
  3. Step 3: Cross multiply
    14,549.16x = 20,071.62 × 11,392.68
  4. Step 4: Simplify right side
    14,549.16x = 228,669,543.74
  5. Step 5: Solve for x
    x = 228,669,543.74/14,549.16
  6. Step 6: Final answer
    x = 15,717.03

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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.