Home / 17,953.08-26,905.86-13,777.13

Finding the Fourth Proportional to 17,953.08, 26,905.86 and 13,777.13

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Solution

The fourth proportional to 17,953.08, 26,905.86 and 13,777.13 is: 20,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,953.08 : 26,905.86 = 13,777.13 : x
  2. Step 2: Convert to fraction form
    17,953.08/26,905.86 = 13,777.13/x
  3. Step 3: Cross multiply
    17,953.08x = 26,905.86 × 13,777.13
  4. Step 4: Simplify right side
    17,953.08x = 370,685,396.45
  5. Step 5: Solve for x
    x = 370,685,396.45/17,953.08
  6. Step 6: Final answer
    x = 20,647.45

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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.