Home / 20,723.04-28,598.34-11,292.18

Finding the Fourth Proportional to 20,723.04, 28,598.34 and 11,292.18

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Solution

The fourth proportional to 20,723.04, 28,598.34 and 11,292.18 is: 15,583.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723.04 : 28,598.34 = 11,292.18 : x
  2. Step 2: Convert to fraction form
    20,723.04/28,598.34 = 11,292.18/x
  3. Step 3: Cross multiply
    20,723.04x = 28,598.34 × 11,292.18
  4. Step 4: Simplify right side
    20,723.04x = 322,937,602.98
  5. Step 5: Solve for x
    x = 322,937,602.98/20,723.04
  6. Step 6: Final answer
    x = 15,583.51

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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.