Home / 19,085.45-28,598.98-10,202.04

Finding the Fourth Proportional to 19,085.45, 28,598.98 and 10,202.04

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Solution

The fourth proportional to 19,085.45, 28,598.98 and 10,202.04 is: 15,287.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085.45 : 28,598.98 = 10,202.04 : x
  2. Step 2: Convert to fraction form
    19,085.45/28,598.98 = 10,202.04/x
  3. Step 3: Cross multiply
    19,085.45x = 28,598.98 × 10,202.04
  4. Step 4: Simplify right side
    19,085.45x = 291,767,937.92
  5. Step 5: Solve for x
    x = 291,767,937.92/19,085.45
  6. Step 6: Final answer
    x = 15,287.45

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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.