Home / 16,265.70-24,362.10-12,985.20

Finding the Fourth Proportional to 16,265.70, 24,362.10 and 12,985.20

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Solution

The fourth proportional to 16,265.70, 24,362.10 and 12,985.20 is: 19,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,265.70 : 24,362.10 = 12,985.20 : x
  2. Step 2: Convert to fraction form
    16,265.70/24,362.10 = 12,985.20/x
  3. Step 3: Cross multiply
    16,265.70x = 24,362.10 × 12,985.20
  4. Step 4: Simplify right side
    16,265.70x = 316,346,740.92
  5. Step 5: Solve for x
    x = 316,346,740.92/16,265.70
  6. Step 6: Final answer
    x = 19,448.70

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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.