Home / 19,118.34-26,374.05-12,406.05

Finding the Fourth Proportional to 19,118.34, 26,374.05 and 12,406.05

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Solution

The fourth proportional to 19,118.34, 26,374.05 and 12,406.05 is: 17,114.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.34 : 26,374.05 = 12,406.05 : x
  2. Step 2: Convert to fraction form
    19,118.34/26,374.05 = 12,406.05/x
  3. Step 3: Cross multiply
    19,118.34x = 26,374.05 × 12,406.05
  4. Step 4: Simplify right side
    19,118.34x = 327,197,783.00
  5. Step 5: Solve for x
    x = 327,197,783.00/19,118.34
  6. Step 6: Final answer
    x = 17,114.34

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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.