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Finding the Fourth Proportional to 16,358.40, 24,501.15 and 13,442.40

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Solution

The fourth proportional to 16,358.40, 24,501.15 and 13,442.40 is: 20,133.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,358.40 : 24,501.15 = 13,442.40 : x
  2. Step 2: Convert to fraction form
    16,358.40/24,501.15 = 13,442.40/x
  3. Step 3: Cross multiply
    16,358.40x = 24,501.15 × 13,442.40
  4. Step 4: Simplify right side
    16,358.40x = 329,354,258.76
  5. Step 5: Solve for x
    x = 329,354,258.76/16,358.40
  6. Step 6: Final answer
    x = 20,133.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.