Home / 14,873.40-20,525.28-8,158.80

Finding the Fourth Proportional to 14,873.40, 20,525.28 and 8,158.80

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Solution

The fourth proportional to 14,873.40, 20,525.28 and 8,158.80 is: 11,259.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,873.40 : 20,525.28 = 8,158.80 : x
  2. Step 2: Convert to fraction form
    14,873.40/20,525.28 = 8,158.80/x
  3. Step 3: Cross multiply
    14,873.40x = 20,525.28 × 8,158.80
  4. Step 4: Simplify right side
    14,873.40x = 167,461,654.46
  5. Step 5: Solve for x
    x = 167,461,654.46/14,873.40
  6. Step 6: Final answer
    x = 11,259.14

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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.