Home / 12,856.17-19,230.93-12,068.85

Finding the Fourth Proportional to 12,856.17, 19,230.93 and 12,068.85

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Solution

The fourth proportional to 12,856.17, 19,230.93 and 12,068.85 is: 18,053.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856.17 : 19,230.93 = 12,068.85 : x
  2. Step 2: Convert to fraction form
    12,856.17/19,230.93 = 12,068.85/x
  3. Step 3: Cross multiply
    12,856.17x = 19,230.93 × 12,068.85
  4. Step 4: Simplify right side
    12,856.17x = 232,095,209.53
  5. Step 5: Solve for x
    x = 232,095,209.53/12,856.17
  6. Step 6: Final answer
    x = 18,053.22

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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.