Home / 19,592.40-27,030.36-12,881.64

Finding the Fourth Proportional to 19,592.40, 27,030.36 and 12,881.64

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Solution

The fourth proportional to 19,592.40, 27,030.36 and 12,881.64 is: 17,771.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,592.40 : 27,030.36 = 12,881.64 : x
  2. Step 2: Convert to fraction form
    19,592.40/27,030.36 = 12,881.64/x
  3. Step 3: Cross multiply
    19,592.40x = 27,030.36 × 12,881.64
  4. Step 4: Simplify right side
    19,592.40x = 348,195,366.59
  5. Step 5: Solve for x
    x = 348,195,366.59/19,592.40
  6. Step 6: Final answer
    x = 17,771.96

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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.