Home / 17,730.99-24,435.08-12,686.46

Finding the Fourth Proportional to 17,730.99, 24,435.08 and 12,686.46

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Solution

The fourth proportional to 17,730.99, 24,435.08 and 12,686.46 is: 17,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,730.99 : 24,435.08 = 12,686.46 : x
  2. Step 2: Convert to fraction form
    17,730.99/24,435.08 = 12,686.46/x
  3. Step 3: Cross multiply
    17,730.99x = 24,435.08 × 12,686.46
  4. Step 4: Simplify right side
    17,730.99x = 309,994,665.02
  5. Step 5: Solve for x
    x = 309,994,665.02/17,730.99
  6. Step 6: Final answer
    x = 17,483.21

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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.