Home / 13,292.08-18,342.42-7,323.60

Finding the Fourth Proportional to 13,292.08, 18,342.42 and 7,323.60

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Solution

The fourth proportional to 13,292.08, 18,342.42 and 7,323.60 is: 10,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.08 : 18,342.42 = 7,323.60 : x
  2. Step 2: Convert to fraction form
    13,292.08/18,342.42 = 7,323.60/x
  3. Step 3: Cross multiply
    13,292.08x = 18,342.42 × 7,323.60
  4. Step 4: Simplify right side
    13,292.08x = 134,332,547.11
  5. Step 5: Solve for x
    x = 134,332,547.11/13,292.08
  6. Step 6: Final answer
    x = 10,106.21

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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.