Home / 19,390.79-26,738.35-17,693.13

Finding the Fourth Proportional to 19,390.79, 26,738.35 and 17,693.13

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Solution

The fourth proportional to 19,390.79, 26,738.35 and 17,693.13 is: 24,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.79 : 26,738.35 = 17,693.13 : x
  2. Step 2: Convert to fraction form
    19,390.79/26,738.35 = 17,693.13/x
  3. Step 3: Cross multiply
    19,390.79x = 26,738.35 × 17,693.13
  4. Step 4: Simplify right side
    19,390.79x = 473,085,258.10
  5. Step 5: Solve for x
    x = 473,085,258.10/19,390.79
  6. Step 6: Final answer
    x = 24,397.42

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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.