Home / 13,133.75-19,703.87-4,368.74

Finding the Fourth Proportional to 13,133.75, 19,703.87 and 4,368.74

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Solution

The fourth proportional to 13,133.75, 19,703.87 and 4,368.74 is: 6,554.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.75 : 19,703.87 = 4,368.74 : x
  2. Step 2: Convert to fraction form
    13,133.75/19,703.87 = 4,368.74/x
  3. Step 3: Cross multiply
    13,133.75x = 19,703.87 × 4,368.74
  4. Step 4: Simplify right side
    13,133.75x = 86,081,145.21
  5. Step 5: Solve for x
    x = 86,081,145.21/13,133.75
  6. Step 6: Final answer
    x = 6,554.19

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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.