Home / 23,221.47-32,055.43-15,678.01

Finding the Fourth Proportional to 23,221.47, 32,055.43 and 15,678.01

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Solution

The fourth proportional to 23,221.47, 32,055.43 and 15,678.01 is: 21,642.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,221.47 : 32,055.43 = 15,678.01 : x
  2. Step 2: Convert to fraction form
    23,221.47/32,055.43 = 15,678.01/x
  3. Step 3: Cross multiply
    23,221.47x = 32,055.43 × 15,678.01
  4. Step 4: Simplify right side
    23,221.47x = 502,565,352.09
  5. Step 5: Solve for x
    x = 502,565,352.09/23,221.47
  6. Step 6: Final answer
    x = 21,642.27

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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.