Home / 15,223.34-21,012.29-9,256.93

Finding the Fourth Proportional to 15,223.34, 21,012.29 and 9,256.93

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Solution

The fourth proportional to 15,223.34, 21,012.29 and 9,256.93 is: 12,777.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,223.34 : 21,012.29 = 9,256.93 : x
  2. Step 2: Convert to fraction form
    15,223.34/21,012.29 = 9,256.93/x
  3. Step 3: Cross multiply
    15,223.34x = 21,012.29 × 9,256.93
  4. Step 4: Simplify right side
    15,223.34x = 194,509,325.73
  5. Step 5: Solve for x
    x = 194,509,325.73/15,223.34
  6. Step 6: Final answer
    x = 12,777.04

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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.