Home / 18,423.22-25,424.10-10,465.51

Finding the Fourth Proportional to 18,423.22, 25,424.10 and 10,465.51

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Solution

The fourth proportional to 18,423.22, 25,424.10 and 10,465.51 is: 14,442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.22 : 25,424.10 = 10,465.51 : x
  2. Step 2: Convert to fraction form
    18,423.22/25,424.10 = 10,465.51/x
  3. Step 3: Cross multiply
    18,423.22x = 25,424.10 × 10,465.51
  4. Step 4: Simplify right side
    18,423.22x = 266,076,172.79
  5. Step 5: Solve for x
    x = 266,076,172.79/18,423.22
  6. Step 6: Final answer
    x = 14,442.44

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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.