Home / 19,459.69-26,849.42-11,903.26

Finding the Fourth Proportional to 19,459.69, 26,849.42 and 11,903.26

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Solution

The fourth proportional to 19,459.69, 26,849.42 and 11,903.26 is: 16,423.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459.69 : 26,849.42 = 11,903.26 : x
  2. Step 2: Convert to fraction form
    19,459.69/26,849.42 = 11,903.26/x
  3. Step 3: Cross multiply
    19,459.69x = 26,849.42 × 11,903.26
  4. Step 4: Simplify right side
    19,459.69x = 319,595,567.59
  5. Step 5: Solve for x
    x = 319,595,567.59/19,459.69
  6. Step 6: Final answer
    x = 16,423.47

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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.