Home / 13,582.36-18,743.47-7,614.06

Finding the Fourth Proportional to 13,582.36, 18,743.47 and 7,614.06

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Solution

The fourth proportional to 13,582.36, 18,743.47 and 7,614.06 is: 10,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.36 : 18,743.47 = 7,614.06 : x
  2. Step 2: Convert to fraction form
    13,582.36/18,743.47 = 7,614.06/x
  3. Step 3: Cross multiply
    13,582.36x = 18,743.47 × 7,614.06
  4. Step 4: Simplify right side
    13,582.36x = 142,713,905.19
  5. Step 5: Solve for x
    x = 142,713,905.19/13,582.36
  6. Step 6: Final answer
    x = 10,507.30

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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.