Home / 12,057.04-18,070.17-10,490.50

Finding the Fourth Proportional to 12,057.04, 18,070.17 and 10,490.50

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Solution

The fourth proportional to 12,057.04, 18,070.17 and 10,490.50 is: 15,722.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,057.04 : 18,070.17 = 10,490.50 : x
  2. Step 2: Convert to fraction form
    12,057.04/18,070.17 = 10,490.50/x
  3. Step 3: Cross multiply
    12,057.04x = 18,070.17 × 10,490.50
  4. Step 4: Simplify right side
    12,057.04x = 189,565,118.39
  5. Step 5: Solve for x
    x = 189,565,118.39/12,057.04
  6. Step 6: Final answer
    x = 15,722.36

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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.