Home / 18,293.47-25,235.71-11,567.77

Finding the Fourth Proportional to 18,293.47, 25,235.71 and 11,567.77

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Solution

The fourth proportional to 18,293.47, 25,235.71 and 11,567.77 is: 15,957.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.47 : 25,235.71 = 11,567.77 : x
  2. Step 2: Convert to fraction form
    18,293.47/25,235.71 = 11,567.77/x
  3. Step 3: Cross multiply
    18,293.47x = 25,235.71 × 11,567.77
  4. Step 4: Simplify right side
    18,293.47x = 291,920,889.07
  5. Step 5: Solve for x
    x = 291,920,889.07/18,293.47
  6. Step 6: Final answer
    x = 15,957.66

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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.