Home / 19,290.15-26,614.98-11,329.47

Finding the Fourth Proportional to 19,290.15, 26,614.98 and 11,329.47

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Solution

The fourth proportional to 19,290.15, 26,614.98 and 11,329.47 is: 15,631.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.15 : 26,614.98 = 11,329.47 : x
  2. Step 2: Convert to fraction form
    19,290.15/26,614.98 = 11,329.47/x
  3. Step 3: Cross multiply
    19,290.15x = 26,614.98 × 11,329.47
  4. Step 4: Simplify right side
    19,290.15x = 301,533,617.46
  5. Step 5: Solve for x
    x = 301,533,617.46/19,290.15
  6. Step 6: Final answer
    x = 15,631.48

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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.