Home / 14,740.10-20,306.74-10,256.14

Finding the Fourth Proportional to 14,740.10, 20,306.74 and 10,256.14

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Solution

The fourth proportional to 14,740.10, 20,306.74 and 10,256.14 is: 14,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,740.10 : 20,306.74 = 10,256.14 : x
  2. Step 2: Convert to fraction form
    14,740.10/20,306.74 = 10,256.14/x
  3. Step 3: Cross multiply
    14,740.10x = 20,306.74 × 10,256.14
  4. Step 4: Simplify right side
    14,740.10x = 208,268,768.38
  5. Step 5: Solve for x
    x = 208,268,768.38/14,740.10
  6. Step 6: Final answer
    x = 14,129.40

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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.