Home / 13,566.45-18,721.47-7,598.10

Finding the Fourth Proportional to 13,566.45, 18,721.47 and 7,598.10

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Solution

The fourth proportional to 13,566.45, 18,721.47 and 7,598.10 is: 10,485.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.45 : 18,721.47 = 7,598.10 : x
  2. Step 2: Convert to fraction form
    13,566.45/18,721.47 = 7,598.10/x
  3. Step 3: Cross multiply
    13,566.45x = 18,721.47 × 7,598.10
  4. Step 4: Simplify right side
    13,566.45x = 142,247,601.21
  5. Step 5: Solve for x
    x = 142,247,601.21/13,566.45
  6. Step 6: Final answer
    x = 10,485.25

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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.