Home / 16,403.32-24,598.90-12,900.17

Finding the Fourth Proportional to 16,403.32, 24,598.90 and 12,900.17

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Solution

The fourth proportional to 16,403.32, 24,598.90 and 12,900.17 is: 19,345.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,403.32 : 24,598.90 = 12,900.17 : x
  2. Step 2: Convert to fraction form
    16,403.32/24,598.90 = 12,900.17/x
  3. Step 3: Cross multiply
    16,403.32x = 24,598.90 × 12,900.17
  4. Step 4: Simplify right side
    16,403.32x = 317,329,991.81
  5. Step 5: Solve for x
    x = 317,329,991.81/16,403.32
  6. Step 6: Final answer
    x = 19,345.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.