Home / 14,875.12-20,526.15-8,906.64

Finding the Fourth Proportional to 14,875.12, 20,526.15 and 8,906.64

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Solution

The fourth proportional to 14,875.12, 20,526.15 and 8,906.64 is: 12,290.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.12 : 20,526.15 = 8,906.64 : x
  2. Step 2: Convert to fraction form
    14,875.12/20,526.15 = 8,906.64/x
  3. Step 3: Cross multiply
    14,875.12x = 20,526.15 × 8,906.64
  4. Step 4: Simplify right side
    14,875.12x = 182,819,028.64
  5. Step 5: Solve for x
    x = 182,819,028.64/14,875.12
  6. Step 6: Final answer
    x = 12,290.26

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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.