Home / 22,208.96-30,673.56-15,123.08

Finding the Fourth Proportional to 22,208.96, 30,673.56 and 15,123.08

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Solution

The fourth proportional to 22,208.96, 30,673.56 and 15,123.08 is: 20,887.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208.96 : 30,673.56 = 15,123.08 : x
  2. Step 2: Convert to fraction form
    22,208.96/30,673.56 = 15,123.08/x
  3. Step 3: Cross multiply
    22,208.96x = 30,673.56 × 15,123.08
  4. Step 4: Simplify right side
    22,208.96x = 463,878,701.76
  5. Step 5: Solve for x
    x = 463,878,701.76/22,208.96
  6. Step 6: Final answer
    x = 20,887.01

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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.