Home / 13,827.60-19,117.62-12,056.40

Finding the Fourth Proportional to 13,827.60, 19,117.62 and 12,056.40

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Solution

The fourth proportional to 13,827.60, 19,117.62 and 12,056.40 is: 16,668.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.60 : 19,117.62 = 12,056.40 : x
  2. Step 2: Convert to fraction form
    13,827.60/19,117.62 = 12,056.40/x
  3. Step 3: Cross multiply
    13,827.60x = 19,117.62 × 12,056.40
  4. Step 4: Simplify right side
    13,827.60x = 230,489,673.77
  5. Step 5: Solve for x
    x = 230,489,673.77/13,827.60
  6. Step 6: Final answer
    x = 16,668.81

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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.