Home / 13,873.03-19,144.49-7,585.40

Finding the Fourth Proportional to 13,873.03, 19,144.49 and 7,585.40

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Solution

The fourth proportional to 13,873.03, 19,144.49 and 7,585.40 is: 10,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873.03 : 19,144.49 = 7,585.40 : x
  2. Step 2: Convert to fraction form
    13,873.03/19,144.49 = 7,585.40/x
  3. Step 3: Cross multiply
    13,873.03x = 19,144.49 × 7,585.40
  4. Step 4: Simplify right side
    13,873.03x = 145,218,643.34
  5. Step 5: Solve for x
    x = 145,218,643.34/13,873.03
  6. Step 6: Final answer
    x = 10,467.70

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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.