Home / 15,402.98-21,256.27-9,033.35

Finding the Fourth Proportional to 15,402.98, 21,256.27 and 9,033.35

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Solution

The fourth proportional to 15,402.98, 21,256.27 and 9,033.35 is: 12,466.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,402.98 : 21,256.27 = 9,033.35 : x
  2. Step 2: Convert to fraction form
    15,402.98/21,256.27 = 9,033.35/x
  3. Step 3: Cross multiply
    15,402.98x = 21,256.27 × 9,033.35
  4. Step 4: Simplify right side
    15,402.98x = 192,015,197.74
  5. Step 5: Solve for x
    x = 192,015,197.74/15,402.98
  6. Step 6: Final answer
    x = 12,466.11

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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.