Home / 19,496.50-26,895.65-12,779.17

Finding the Fourth Proportional to 19,496.50, 26,895.65 and 12,779.17

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Solution

The fourth proportional to 19,496.50, 26,895.65 and 12,779.17 is: 17,629.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,496.50 : 26,895.65 = 12,779.17 : x
  2. Step 2: Convert to fraction form
    19,496.50/26,895.65 = 12,779.17/x
  3. Step 3: Cross multiply
    19,496.50x = 26,895.65 × 12,779.17
  4. Step 4: Simplify right side
    19,496.50x = 343,703,952.48
  5. Step 5: Solve for x
    x = 343,703,952.48/19,496.50
  6. Step 6: Final answer
    x = 17,629.01

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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.