Home / 19,657.48-29,440.86-11,849.08

Finding the Fourth Proportional to 19,657.48, 29,440.86 and 11,849.08

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Solution

The fourth proportional to 19,657.48, 29,440.86 and 11,849.08 is: 17,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,657.48 : 29,440.86 = 11,849.08 : x
  2. Step 2: Convert to fraction form
    19,657.48/29,440.86 = 11,849.08/x
  3. Step 3: Cross multiply
    19,657.48x = 29,440.86 × 11,849.08
  4. Step 4: Simplify right side
    19,657.48x = 348,847,105.41
  5. Step 5: Solve for x
    x = 348,847,105.41/19,657.48
  6. Step 6: Final answer
    x = 17,746.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.