Home / 14,802.72-20,427.80-8,088.49

Finding the Fourth Proportional to 14,802.72, 20,427.80 and 8,088.49

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Solution

The fourth proportional to 14,802.72, 20,427.80 and 8,088.49 is: 11,162.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,802.72 : 20,427.80 = 8,088.49 : x
  2. Step 2: Convert to fraction form
    14,802.72/20,427.80 = 8,088.49/x
  3. Step 3: Cross multiply
    14,802.72x = 20,427.80 × 8,088.49
  4. Step 4: Simplify right side
    14,802.72x = 165,230,056.02
  5. Step 5: Solve for x
    x = 165,230,056.02/14,802.72
  6. Step 6: Final answer
    x = 11,162.14

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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.