Home / 19,496.28-26,892.48-12,782.34

Finding the Fourth Proportional to 19,496.28, 26,892.48 and 12,782.34

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Solution

The fourth proportional to 19,496.28, 26,892.48 and 12,782.34 is: 17,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,496.28 : 26,892.48 = 12,782.34 : x
  2. Step 2: Convert to fraction form
    19,496.28/26,892.48 = 12,782.34/x
  3. Step 3: Cross multiply
    19,496.28x = 26,892.48 × 12,782.34
  4. Step 4: Simplify right side
    19,496.28x = 343,748,955.61
  5. Step 5: Solve for x
    x = 343,748,955.61/19,496.28
  6. Step 6: Final answer
    x = 17,631.51

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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.