Home / 19,595.95-27,025.65-13,221.45

Finding the Fourth Proportional to 19,595.95, 27,025.65 and 13,221.45

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Solution

The fourth proportional to 19,595.95, 27,025.65 and 13,221.45 is: 18,234.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,595.95 : 27,025.65 = 13,221.45 : x
  2. Step 2: Convert to fraction form
    19,595.95/27,025.65 = 13,221.45/x
  3. Step 3: Cross multiply
    19,595.95x = 27,025.65 × 13,221.45
  4. Step 4: Simplify right side
    19,595.95x = 357,318,280.19
  5. Step 5: Solve for x
    x = 357,318,280.19/19,595.95
  6. Step 6: Final answer
    x = 18,234.29

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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.