Home / 19,071.18-26,327.43-12,708.36

Finding the Fourth Proportional to 19,071.18, 26,327.43 and 12,708.36

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Solution

The fourth proportional to 19,071.18, 26,327.43 and 12,708.36 is: 17,543.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.18 : 26,327.43 = 12,708.36 : x
  2. Step 2: Convert to fraction form
    19,071.18/26,327.43 = 12,708.36/x
  3. Step 3: Cross multiply
    19,071.18x = 26,327.43 × 12,708.36
  4. Step 4: Simplify right side
    19,071.18x = 334,578,458.31
  5. Step 5: Solve for x
    x = 334,578,458.31/19,071.18
  6. Step 6: Final answer
    x = 17,543.67

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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.