Home / 18,423.38-25,423.47-10,465.58

Finding the Fourth Proportional to 18,423.38, 25,423.47 and 10,465.58

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Solution

The fourth proportional to 18,423.38, 25,423.47 and 10,465.58 is: 14,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.38 : 25,423.47 = 10,465.58 : x
  2. Step 2: Convert to fraction form
    18,423.38/25,423.47 = 10,465.58/x
  3. Step 3: Cross multiply
    18,423.38x = 25,423.47 × 10,465.58
  4. Step 4: Simplify right side
    18,423.38x = 266,071,359.16
  5. Step 5: Solve for x
    x = 266,071,359.16/18,423.38
  6. Step 6: Final answer
    x = 14,442.05

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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.