Home / 13,853.80-19,098.48-8,545.06

Finding the Fourth Proportional to 13,853.80, 19,098.48 and 8,545.06

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Solution

The fourth proportional to 13,853.80, 19,098.48 and 8,545.06 is: 11,779.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.80 : 19,098.48 = 8,545.06 : x
  2. Step 2: Convert to fraction form
    13,853.80/19,098.48 = 8,545.06/x
  3. Step 3: Cross multiply
    13,853.80x = 19,098.48 × 8,545.06
  4. Step 4: Simplify right side
    13,853.80x = 163,197,657.51
  5. Step 5: Solve for x
    x = 163,197,657.51/13,853.80
  6. Step 6: Final answer
    x = 11,779.99

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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.