Home / 19,162.80-26,444.63-10,779.30

Finding the Fourth Proportional to 19,162.80, 26,444.63 and 10,779.30

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Solution

The fourth proportional to 19,162.80, 26,444.63 and 10,779.30 is: 14,875.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162.80 : 26,444.63 = 10,779.30 : x
  2. Step 2: Convert to fraction form
    19,162.80/26,444.63 = 10,779.30/x
  3. Step 3: Cross multiply
    19,162.80x = 26,444.63 × 10,779.30
  4. Step 4: Simplify right side
    19,162.80x = 285,054,546.26
  5. Step 5: Solve for x
    x = 285,054,546.26/19,162.80
  6. Step 6: Final answer
    x = 14,875.41

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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.