Home / 15,594.93-21,513.51-11,339.39

Finding the Fourth Proportional to 15,594.93, 21,513.51 and 11,339.39

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Solution

The fourth proportional to 15,594.93, 21,513.51 and 11,339.39 is: 15,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,594.93 : 21,513.51 = 11,339.39 : x
  2. Step 2: Convert to fraction form
    15,594.93/21,513.51 = 11,339.39/x
  3. Step 3: Cross multiply
    15,594.93x = 21,513.51 × 11,339.39
  4. Step 4: Simplify right side
    15,594.93x = 243,950,133.94
  5. Step 5: Solve for x
    x = 243,950,133.94/15,594.93
  6. Step 6: Final answer
    x = 15,642.91

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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.