Home / 21,572.04-29,680.38-16,848.12

Finding the Fourth Proportional to 21,572.04, 29,680.38 and 16,848.12

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Solution

The fourth proportional to 21,572.04, 29,680.38 and 16,848.12 is: 23,180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572.04 : 29,680.38 = 16,848.12 : x
  2. Step 2: Convert to fraction form
    21,572.04/29,680.38 = 16,848.12/x
  3. Step 3: Cross multiply
    21,572.04x = 29,680.38 × 16,848.12
  4. Step 4: Simplify right side
    21,572.04x = 500,058,603.89
  5. Step 5: Solve for x
    x = 500,058,603.89/21,572.04
  6. Step 6: Final answer
    x = 23,180.87

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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.