Home / 14,018.76-19,370.48-11,209.32

Finding the Fourth Proportional to 14,018.76, 19,370.48 and 11,209.32

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Solution

The fourth proportional to 14,018.76, 19,370.48 and 11,209.32 is: 15,488.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.76 : 19,370.48 = 11,209.32 : x
  2. Step 2: Convert to fraction form
    14,018.76/19,370.48 = 11,209.32/x
  3. Step 3: Cross multiply
    14,018.76x = 19,370.48 × 11,209.32
  4. Step 4: Simplify right side
    14,018.76x = 217,129,852.83
  5. Step 5: Solve for x
    x = 217,129,852.83/14,018.76
  6. Step 6: Final answer
    x = 15,488.52

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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.