Home / 14,302.77-19,730.80-12,411.69

Finding the Fourth Proportional to 14,302.77, 19,730.80 and 12,411.69

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Solution

The fourth proportional to 14,302.77, 19,730.80 and 12,411.69 is: 17,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,302.77 : 19,730.80 = 12,411.69 : x
  2. Step 2: Convert to fraction form
    14,302.77/19,730.80 = 12,411.69/x
  3. Step 3: Cross multiply
    14,302.77x = 19,730.80 × 12,411.69
  4. Step 4: Simplify right side
    14,302.77x = 244,892,685.83
  5. Step 5: Solve for x
    x = 244,892,685.83/14,302.77
  6. Step 6: Final answer
    x = 17,122.05

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Half scale
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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.