Home / 19,017.92-28,533.65-8,486.99

Finding the Fourth Proportional to 19,017.92, 28,533.65 and 8,486.99

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Solution

The fourth proportional to 19,017.92, 28,533.65 and 8,486.99 is: 12,733.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.92 : 28,533.65 = 8,486.99 : x
  2. Step 2: Convert to fraction form
    19,017.92/28,533.65 = 8,486.99/x
  3. Step 3: Cross multiply
    19,017.92x = 28,533.65 × 8,486.99
  4. Step 4: Simplify right side
    19,017.92x = 242,164,617.11
  5. Step 5: Solve for x
    x = 242,164,617.11/19,017.92
  6. Step 6: Final answer
    x = 12,733.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.