Home / 19,356.17-26,719.67-13,077.05

Finding the Fourth Proportional to 19,356.17, 26,719.67 and 13,077.05

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Solution

The fourth proportional to 19,356.17, 26,719.67 and 13,077.05 is: 18,051.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.17 : 26,719.67 = 13,077.05 : x
  2. Step 2: Convert to fraction form
    19,356.17/26,719.67 = 13,077.05/x
  3. Step 3: Cross multiply
    19,356.17x = 26,719.67 × 13,077.05
  4. Step 4: Simplify right side
    19,356.17x = 349,414,359.67
  5. Step 5: Solve for x
    x = 349,414,359.67/19,356.17
  6. Step 6: Final answer
    x = 18,051.84

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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.