Home / 13,814.28-19,063.74-7,526.70

Finding the Fourth Proportional to 13,814.28, 19,063.74 and 7,526.70

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Solution

The fourth proportional to 13,814.28, 19,063.74 and 7,526.70 is: 10,386.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814.28 : 19,063.74 = 7,526.70 : x
  2. Step 2: Convert to fraction form
    13,814.28/19,063.74 = 7,526.70/x
  3. Step 3: Cross multiply
    13,814.28x = 19,063.74 × 7,526.70
  4. Step 4: Simplify right side
    13,814.28x = 143,487,051.86
  5. Step 5: Solve for x
    x = 143,487,051.86/13,814.28
  6. Step 6: Final answer
    x = 10,386.86

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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.