Home / 19,384.06-26,743-10,995.70

Finding the Fourth Proportional to 19,384.06, 26,743 and 10,995.70

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Solution

The fourth proportional to 19,384.06, 26,743 and 10,995.70 is: 15,170.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,384.06 : 26,743 = 10,995.70 : x
  2. Step 2: Convert to fraction form
    19,384.06/26,743 = 10,995.70/x
  3. Step 3: Cross multiply
    19,384.06x = 26,743 × 10,995.70
  4. Step 4: Simplify right side
    19,384.06x = 294,058,005.10
  5. Step 5: Solve for x
    x = 294,058,005.10/19,384.06
  6. Step 6: Final answer
    x = 15,170.09

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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.