Home / 14,102.24-19,460.76-7,814.48

Finding the Fourth Proportional to 14,102.24, 19,460.76 and 7,814.48

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Solution

The fourth proportional to 14,102.24, 19,460.76 and 7,814.48 is: 10,783.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.24 : 19,460.76 = 7,814.48 : x
  2. Step 2: Convert to fraction form
    14,102.24/19,460.76 = 7,814.48/x
  3. Step 3: Cross multiply
    14,102.24x = 19,460.76 × 7,814.48
  4. Step 4: Simplify right side
    14,102.24x = 152,075,719.80
  5. Step 5: Solve for x
    x = 152,075,719.80/14,102.24
  6. Step 6: Final answer
    x = 10,783.80

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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.