Home / 19,058.06-26,312.37-15,529.70

Finding the Fourth Proportional to 19,058.06, 26,312.37 and 15,529.70

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Solution

The fourth proportional to 19,058.06, 26,312.37 and 15,529.70 is: 21,440.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,058.06 : 26,312.37 = 15,529.70 : x
  2. Step 2: Convert to fraction form
    19,058.06/26,312.37 = 15,529.70/x
  3. Step 3: Cross multiply
    19,058.06x = 26,312.37 × 15,529.70
  4. Step 4: Simplify right side
    19,058.06x = 408,623,212.39
  5. Step 5: Solve for x
    x = 408,623,212.39/19,058.06
  6. Step 6: Final answer
    x = 21,440.97

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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.