Home / 19,051.36-26,279.42-12,591.04

Finding the Fourth Proportional to 19,051.36, 26,279.42 and 12,591.04

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Solution

The fourth proportional to 19,051.36, 26,279.42 and 12,591.04 is: 17,368.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.36 : 26,279.42 = 12,591.04 : x
  2. Step 2: Convert to fraction form
    19,051.36/26,279.42 = 12,591.04/x
  3. Step 3: Cross multiply
    19,051.36x = 26,279.42 × 12,591.04
  4. Step 4: Simplify right side
    19,051.36x = 330,885,228.40
  5. Step 5: Solve for x
    x = 330,885,228.40/19,051.36
  6. Step 6: Final answer
    x = 17,368.06

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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.