Home / 14,330.32-21,475.93-5,440.89

Finding the Fourth Proportional to 14,330.32, 21,475.93 and 5,440.89

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Solution

The fourth proportional to 14,330.32, 21,475.93 and 5,440.89 is: 8,153.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,330.32 : 21,475.93 = 5,440.89 : x
  2. Step 2: Convert to fraction form
    14,330.32/21,475.93 = 5,440.89/x
  3. Step 3: Cross multiply
    14,330.32x = 21,475.93 × 5,440.89
  4. Step 4: Simplify right side
    14,330.32x = 116,848,061.06
  5. Step 5: Solve for x
    x = 116,848,061.06/14,330.32
  6. Step 6: Final answer
    x = 8,153.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.