Home / 19,587.95-27,024.73-12,873.05

Finding the Fourth Proportional to 19,587.95, 27,024.73 and 12,873.05

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Solution

The fourth proportional to 19,587.95, 27,024.73 and 12,873.05 is: 17,760.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.95 : 27,024.73 = 12,873.05 : x
  2. Step 2: Convert to fraction form
    19,587.95/27,024.73 = 12,873.05/x
  3. Step 3: Cross multiply
    19,587.95x = 27,024.73 × 12,873.05
  4. Step 4: Simplify right side
    19,587.95x = 347,890,533.22
  5. Step 5: Solve for x
    x = 347,890,533.22/19,587.95
  6. Step 6: Final answer
    x = 17,760.44

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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.