Home / 15,421.02-23,144.49-12,362.46

Finding the Fourth Proportional to 15,421.02, 23,144.49 and 12,362.46

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Solution

The fourth proportional to 15,421.02, 23,144.49 and 12,362.46 is: 18,554.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.02 : 23,144.49 = 12,362.46 : x
  2. Step 2: Convert to fraction form
    15,421.02/23,144.49 = 12,362.46/x
  3. Step 3: Cross multiply
    15,421.02x = 23,144.49 × 12,362.46
  4. Step 4: Simplify right side
    15,421.02x = 286,122,831.85
  5. Step 5: Solve for x
    x = 286,122,831.85/15,421.02
  6. Step 6: Final answer
    x = 18,554.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.