Home / 19,370.10-26,724.14-12,300.60

Finding the Fourth Proportional to 19,370.10, 26,724.14 and 12,300.60

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Solution

The fourth proportional to 19,370.10, 26,724.14 and 12,300.60 is: 16,970.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.10 : 26,724.14 = 12,300.60 : x
  2. Step 2: Convert to fraction form
    19,370.10/26,724.14 = 12,300.60/x
  3. Step 3: Cross multiply
    19,370.10x = 26,724.14 × 12,300.60
  4. Step 4: Simplify right side
    19,370.10x = 328,722,956.48
  5. Step 5: Solve for x
    x = 328,722,956.48/19,370.10
  6. Step 6: Final answer
    x = 16,970.64

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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.