Home / 19,460.22-26,828.55-13,777.98

Finding the Fourth Proportional to 19,460.22, 26,828.55 and 13,777.98

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Solution

The fourth proportional to 19,460.22, 26,828.55 and 13,777.98 is: 18,994.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,460.22 : 26,828.55 = 13,777.98 : x
  2. Step 2: Convert to fraction form
    19,460.22/26,828.55 = 13,777.98/x
  3. Step 3: Cross multiply
    19,460.22x = 26,828.55 × 13,777.98
  4. Step 4: Simplify right side
    19,460.22x = 369,643,225.33
  5. Step 5: Solve for x
    x = 369,643,225.33/19,460.22
  6. Step 6: Final answer
    x = 18,994.81

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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.