Home / 19,357.26-26,712.80-10,973.76

Finding the Fourth Proportional to 19,357.26, 26,712.80 and 10,973.76

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Solution

The fourth proportional to 19,357.26, 26,712.80 and 10,973.76 is: 15,143.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357.26 : 26,712.80 = 10,973.76 : x
  2. Step 2: Convert to fraction form
    19,357.26/26,712.80 = 10,973.76/x
  3. Step 3: Cross multiply
    19,357.26x = 26,712.80 × 10,973.76
  4. Step 4: Simplify right side
    19,357.26x = 293,139,856.13
  5. Step 5: Solve for x
    x = 293,139,856.13/19,357.26
  6. Step 6: Final answer
    x = 15,143.66

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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.