Home / 14,102.84-19,460.42-7,814.60

Finding the Fourth Proportional to 14,102.84, 19,460.42 and 7,814.60

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Solution

The fourth proportional to 14,102.84, 19,460.42 and 7,814.60 is: 10,783.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.84 : 19,460.42 = 7,814.60 : x
  2. Step 2: Convert to fraction form
    14,102.84/19,460.42 = 7,814.60/x
  3. Step 3: Cross multiply
    14,102.84x = 19,460.42 × 7,814.60
  4. Step 4: Simplify right side
    14,102.84x = 152,075,398.13
  5. Step 5: Solve for x
    x = 152,075,398.13/14,102.84
  6. Step 6: Final answer
    x = 10,783.32

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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.