Home / 19,440.30-26,827.56-11,056.80

Finding the Fourth Proportional to 19,440.30, 26,827.56 and 11,056.80

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Solution

The fourth proportional to 19,440.30, 26,827.56 and 11,056.80 is: 15,258.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.30 : 26,827.56 = 11,056.80 : x
  2. Step 2: Convert to fraction form
    19,440.30/26,827.56 = 11,056.80/x
  3. Step 3: Cross multiply
    19,440.30x = 26,827.56 × 11,056.80
  4. Step 4: Simplify right side
    19,440.30x = 296,626,965.41
  5. Step 5: Solve for x
    x = 296,626,965.41/19,440.30
  6. Step 6: Final answer
    x = 15,258.35

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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.