Home / 19,280.58-26,602.37-12,111.62

Finding the Fourth Proportional to 19,280.58, 26,602.37 and 12,111.62

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Solution

The fourth proportional to 19,280.58, 26,602.37 and 12,111.62 is: 16,711.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.58 : 26,602.37 = 12,111.62 : x
  2. Step 2: Convert to fraction form
    19,280.58/26,602.37 = 12,111.62/x
  3. Step 3: Cross multiply
    19,280.58x = 26,602.37 × 12,111.62
  4. Step 4: Simplify right side
    19,280.58x = 322,197,796.54
  5. Step 5: Solve for x
    x = 322,197,796.54/19,280.58
  6. Step 6: Final answer
    x = 16,711.00

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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.