Home / 14,147.10-19,492.11-9,423.18

Finding the Fourth Proportional to 14,147.10, 19,492.11 and 9,423.18

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Solution

The fourth proportional to 14,147.10, 19,492.11 and 9,423.18 is: 12,983.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.10 : 19,492.11 = 9,423.18 : x
  2. Step 2: Convert to fraction form
    14,147.10/19,492.11 = 9,423.18/x
  3. Step 3: Cross multiply
    14,147.10x = 19,492.11 × 9,423.18
  4. Step 4: Simplify right side
    14,147.10x = 183,677,661.11
  5. Step 5: Solve for x
    x = 183,677,661.11/14,147.10
  6. Step 6: Final answer
    x = 12,983.41

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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.