Home / 14,900.87-20,562.18-8,929.55

Finding the Fourth Proportional to 14,900.87, 20,562.18 and 8,929.55

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Solution

The fourth proportional to 14,900.87, 20,562.18 and 8,929.55 is: 12,322.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.87 : 20,562.18 = 8,929.55 : x
  2. Step 2: Convert to fraction form
    14,900.87/20,562.18 = 8,929.55/x
  3. Step 3: Cross multiply
    14,900.87x = 20,562.18 × 8,929.55
  4. Step 4: Simplify right side
    14,900.87x = 183,611,014.42
  5. Step 5: Solve for x
    x = 183,611,014.42/14,900.87
  6. Step 6: Final answer
    x = 12,322.17

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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.