Home / 22,858.02-31,547.43-13,903.79

Finding the Fourth Proportional to 22,858.02, 31,547.43 and 13,903.79

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Solution

The fourth proportional to 22,858.02, 31,547.43 and 13,903.79 is: 19,189.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,858.02 : 31,547.43 = 13,903.79 : x
  2. Step 2: Convert to fraction form
    22,858.02/31,547.43 = 13,903.79/x
  3. Step 3: Cross multiply
    22,858.02x = 31,547.43 × 13,903.79
  4. Step 4: Simplify right side
    22,858.02x = 438,628,684.02
  5. Step 5: Solve for x
    x = 438,628,684.02/22,858.02
  6. Step 6: Final answer
    x = 19,189.27

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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.