Home / 14,999.32-20,699.09-9,031.24

Finding the Fourth Proportional to 14,999.32, 20,699.09 and 9,031.24

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Solution

The fourth proportional to 14,999.32, 20,699.09 and 9,031.24 is: 12,463.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999.32 : 20,699.09 = 9,031.24 : x
  2. Step 2: Convert to fraction form
    14,999.32/20,699.09 = 9,031.24/x
  3. Step 3: Cross multiply
    14,999.32x = 20,699.09 × 9,031.24
  4. Step 4: Simplify right side
    14,999.32x = 186,938,449.57
  5. Step 5: Solve for x
    x = 186,938,449.57/14,999.32
  6. Step 6: Final answer
    x = 12,463.13

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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.