Home / 16,239.40-22,415.16-9,526.48

Finding the Fourth Proportional to 16,239.40, 22,415.16 and 9,526.48

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Solution

The fourth proportional to 16,239.40, 22,415.16 and 9,526.48 is: 13,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,239.40 : 22,415.16 = 9,526.48 : x
  2. Step 2: Convert to fraction form
    16,239.40/22,415.16 = 9,526.48/x
  3. Step 3: Cross multiply
    16,239.40x = 22,415.16 × 9,526.48
  4. Step 4: Simplify right side
    16,239.40x = 213,537,573.44
  5. Step 5: Solve for x
    x = 213,537,573.44/16,239.40
  6. Step 6: Final answer
    x = 13,149.35

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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.