Home / 22,155.79-30,567.27-14,202.40

Finding the Fourth Proportional to 22,155.79, 30,567.27 and 14,202.40

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Solution

The fourth proportional to 22,155.79, 30,567.27 and 14,202.40 is: 19,594.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,155.79 : 30,567.27 = 14,202.40 : x
  2. Step 2: Convert to fraction form
    22,155.79/30,567.27 = 14,202.40/x
  3. Step 3: Cross multiply
    22,155.79x = 30,567.27 × 14,202.40
  4. Step 4: Simplify right side
    22,155.79x = 434,128,595.45
  5. Step 5: Solve for x
    x = 434,128,595.45/22,155.79
  6. Step 6: Final answer
    x = 19,594.36

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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.