Home / 19,854.23-27,398.88-10,779.62

Finding the Fourth Proportional to 19,854.23, 27,398.88 and 10,779.62

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Solution

The fourth proportional to 19,854.23, 27,398.88 and 10,779.62 is: 14,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,854.23 : 27,398.88 = 10,779.62 : x
  2. Step 2: Convert to fraction form
    19,854.23/27,398.88 = 10,779.62/x
  3. Step 3: Cross multiply
    19,854.23x = 27,398.88 × 10,779.62
  4. Step 4: Simplify right side
    19,854.23x = 295,349,377.83
  5. Step 5: Solve for x
    x = 295,349,377.83/19,854.23
  6. Step 6: Final answer
    x = 14,875.90

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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.