Home / 22,259.27-30,715.47-12,698.44

Finding the Fourth Proportional to 22,259.27, 30,715.47 and 12,698.44

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Solution

The fourth proportional to 22,259.27, 30,715.47 and 12,698.44 is: 17,522.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,259.27 : 30,715.47 = 12,698.44 : x
  2. Step 2: Convert to fraction form
    22,259.27/30,715.47 = 12,698.44/x
  3. Step 3: Cross multiply
    22,259.27x = 30,715.47 × 12,698.44
  4. Step 4: Simplify right side
    22,259.27x = 390,038,476.08
  5. Step 5: Solve for x
    x = 390,038,476.08/22,259.27
  6. Step 6: Final answer
    x = 17,522.52

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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.