Home / 13,358.55-18,440.44-8,325.24

Finding the Fourth Proportional to 13,358.55, 18,440.44 and 8,325.24

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Solution

The fourth proportional to 13,358.55, 18,440.44 and 8,325.24 is: 11,492.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.55 : 18,440.44 = 8,325.24 : x
  2. Step 2: Convert to fraction form
    13,358.55/18,440.44 = 8,325.24/x
  3. Step 3: Cross multiply
    13,358.55x = 18,440.44 × 8,325.24
  4. Step 4: Simplify right side
    13,358.55x = 153,521,088.71
  5. Step 5: Solve for x
    x = 153,521,088.71/13,358.55
  6. Step 6: Final answer
    x = 11,492.35

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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.