Home / 19,558.23-26,980.38-12,376.01

Finding the Fourth Proportional to 19,558.23, 26,980.38 and 12,376.01

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Solution

The fourth proportional to 19,558.23, 26,980.38 and 12,376.01 is: 17,072.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558.23 : 26,980.38 = 12,376.01 : x
  2. Step 2: Convert to fraction form
    19,558.23/26,980.38 = 12,376.01/x
  3. Step 3: Cross multiply
    19,558.23x = 26,980.38 × 12,376.01
  4. Step 4: Simplify right side
    19,558.23x = 333,909,317.78
  5. Step 5: Solve for x
    x = 333,909,317.78/19,558.23
  6. Step 6: Final answer
    x = 17,072.57

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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.