Home / 14,875.31-20,526.62-8,500.64

Finding the Fourth Proportional to 14,875.31, 20,526.62 and 8,500.64

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Solution

The fourth proportional to 14,875.31, 20,526.62 and 8,500.64 is: 11,730.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.31 : 20,526.62 = 8,500.64 : x
  2. Step 2: Convert to fraction form
    14,875.31/20,526.62 = 8,500.64/x
  3. Step 3: Cross multiply
    14,875.31x = 20,526.62 × 8,500.64
  4. Step 4: Simplify right side
    14,875.31x = 174,489,261.90
  5. Step 5: Solve for x
    x = 174,489,261.90/14,875.31
  6. Step 6: Final answer
    x = 11,730.12

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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.