Home / 19,152.90-26,409.20-13,485.83

Finding the Fourth Proportional to 19,152.90, 26,409.20 and 13,485.83

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Solution

The fourth proportional to 19,152.90, 26,409.20 and 13,485.83 is: 18,595.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.90 : 26,409.20 = 13,485.83 : x
  2. Step 2: Convert to fraction form
    19,152.90/26,409.20 = 13,485.83/x
  3. Step 3: Cross multiply
    19,152.90x = 26,409.20 × 13,485.83
  4. Step 4: Simplify right side
    19,152.90x = 356,149,981.64
  5. Step 5: Solve for x
    x = 356,149,981.64/19,152.90
  6. Step 6: Final answer
    x = 18,595.09

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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.