Home / 14,729.66-20,303.28-9,948.07

Finding the Fourth Proportional to 14,729.66, 20,303.28 and 9,948.07

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Solution

The fourth proportional to 14,729.66, 20,303.28 and 9,948.07 is: 13,712.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,729.66 : 20,303.28 = 9,948.07 : x
  2. Step 2: Convert to fraction form
    14,729.66/20,303.28 = 9,948.07/x
  3. Step 3: Cross multiply
    14,729.66x = 20,303.28 × 9,948.07
  4. Step 4: Simplify right side
    14,729.66x = 201,978,349.15
  5. Step 5: Solve for x
    x = 201,978,349.15/14,729.66
  6. Step 6: Final answer
    x = 13,712.36

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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.