Home / 19,798.29-29,656.08-11,875.68

Finding the Fourth Proportional to 19,798.29, 29,656.08 and 11,875.68

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Solution

The fourth proportional to 19,798.29, 29,656.08 and 11,875.68 is: 17,788.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,798.29 : 29,656.08 = 11,875.68 : x
  2. Step 2: Convert to fraction form
    19,798.29/29,656.08 = 11,875.68/x
  3. Step 3: Cross multiply
    19,798.29x = 29,656.08 × 11,875.68
  4. Step 4: Simplify right side
    19,798.29x = 352,186,116.13
  5. Step 5: Solve for x
    x = 352,186,116.13/19,798.29
  6. Step 6: Final answer
    x = 17,788.71

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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.