Home / 14,061.60-19,401.12-9,808.08

Finding the Fourth Proportional to 14,061.60, 19,401.12 and 9,808.08

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Solution

The fourth proportional to 14,061.60, 19,401.12 and 9,808.08 is: 13,532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,061.60 : 19,401.12 = 9,808.08 : x
  2. Step 2: Convert to fraction form
    14,061.60/19,401.12 = 9,808.08/x
  3. Step 3: Cross multiply
    14,061.60x = 19,401.12 × 9,808.08
  4. Step 4: Simplify right side
    14,061.60x = 190,287,737.05
  5. Step 5: Solve for x
    x = 190,287,737.05/14,061.60
  6. Step 6: Final answer
    x = 13,532.44

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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.