Home / 19,200.12-26,497.74-10,817.40

Finding the Fourth Proportional to 19,200.12, 26,497.74 and 10,817.40

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Solution

The fourth proportional to 19,200.12, 26,497.74 and 10,817.40 is: 14,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.12 : 26,497.74 = 10,817.40 : x
  2. Step 2: Convert to fraction form
    19,200.12/26,497.74 = 10,817.40/x
  3. Step 3: Cross multiply
    19,200.12x = 26,497.74 × 10,817.40
  4. Step 4: Simplify right side
    19,200.12x = 286,636,652.68
  5. Step 5: Solve for x
    x = 286,636,652.68/19,200.12
  6. Step 6: Final answer
    x = 14,928.90

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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.