Home / 19,130.89-26,400.19-11,063.94

Finding the Fourth Proportional to 19,130.89, 26,400.19 and 11,063.94

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Solution

The fourth proportional to 19,130.89, 26,400.19 and 11,063.94 is: 15,267.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.89 : 26,400.19 = 11,063.94 : x
  2. Step 2: Convert to fraction form
    19,130.89/26,400.19 = 11,063.94/x
  3. Step 3: Cross multiply
    19,130.89x = 26,400.19 × 11,063.94
  4. Step 4: Simplify right side
    19,130.89x = 292,090,118.15
  5. Step 5: Solve for x
    x = 292,090,118.15/19,130.89
  6. Step 6: Final answer
    x = 15,267.98

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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.