Home / 30,014.64-41,420.88-16,587.36

Finding the Fourth Proportional to 30,014.64, 41,420.88 and 16,587.36

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Solution

The fourth proportional to 30,014.64, 41,420.88 and 16,587.36 is: 22,890.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,014.64 : 41,420.88 = 16,587.36 : x
  2. Step 2: Convert to fraction form
    30,014.64/41,420.88 = 16,587.36/x
  3. Step 3: Cross multiply
    30,014.64x = 41,420.88 × 16,587.36
  4. Step 4: Simplify right side
    30,014.64x = 687,063,048.08
  5. Step 5: Solve for x
    x = 687,063,048.08/30,014.64
  6. Step 6: Final answer
    x = 22,890.93

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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.