Home / 21,927.76-32,886.16-8,603.46

Finding the Fourth Proportional to 21,927.76, 32,886.16 and 8,603.46

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Solution

The fourth proportional to 21,927.76, 32,886.16 and 8,603.46 is: 12,903.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927.76 : 32,886.16 = 8,603.46 : x
  2. Step 2: Convert to fraction form
    21,927.76/32,886.16 = 8,603.46/x
  3. Step 3: Cross multiply
    21,927.76x = 32,886.16 × 8,603.46
  4. Step 4: Simplify right side
    21,927.76x = 282,934,762.11
  5. Step 5: Solve for x
    x = 282,934,762.11/21,927.76
  6. Step 6: Final answer
    x = 12,903.04

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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.