Home / 22,130.48-30,539.64-12,058.80

Finding the Fourth Proportional to 22,130.48, 30,539.64 and 12,058.80

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Solution

The fourth proportional to 22,130.48, 30,539.64 and 12,058.80 is: 16,640.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,130.48 : 30,539.64 = 12,058.80 : x
  2. Step 2: Convert to fraction form
    22,130.48/30,539.64 = 12,058.80/x
  3. Step 3: Cross multiply
    22,130.48x = 30,539.64 × 12,058.80
  4. Step 4: Simplify right side
    22,130.48x = 368,271,410.83
  5. Step 5: Solve for x
    x = 368,271,410.83/22,130.48
  6. Step 6: Final answer
    x = 16,640.91

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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.