Home / 15,647.04-21,592.98-8,573.58

Finding the Fourth Proportional to 15,647.04, 21,592.98 and 8,573.58

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Solution

The fourth proportional to 15,647.04, 21,592.98 and 8,573.58 is: 11,831.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.04 : 21,592.98 = 8,573.58 : x
  2. Step 2: Convert to fraction form
    15,647.04/21,592.98 = 8,573.58/x
  3. Step 3: Cross multiply
    15,647.04x = 21,592.98 × 8,573.58
  4. Step 4: Simplify right side
    15,647.04x = 185,129,141.47
  5. Step 5: Solve for x
    x = 185,129,141.47/15,647.04
  6. Step 6: Final answer
    x = 11,831.58

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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.