Home / 19,393.32-26,764.12-13,030.57

Finding the Fourth Proportional to 19,393.32, 26,764.12 and 13,030.57

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Solution

The fourth proportional to 19,393.32, 26,764.12 and 13,030.57 is: 17,983.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,393.32 : 26,764.12 = 13,030.57 : x
  2. Step 2: Convert to fraction form
    19,393.32/26,764.12 = 13,030.57/x
  3. Step 3: Cross multiply
    19,393.32x = 26,764.12 × 13,030.57
  4. Step 4: Simplify right side
    19,393.32x = 348,751,788.89
  5. Step 5: Solve for x
    x = 348,751,788.89/19,393.32
  6. Step 6: Final answer
    x = 17,983.08

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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.