Home / 13,972.39-19,281.81-7,598.80

Finding the Fourth Proportional to 13,972.39, 19,281.81 and 7,598.80

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Solution

The fourth proportional to 13,972.39, 19,281.81 and 7,598.80 is: 10,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.39 : 19,281.81 = 7,598.80 : x
  2. Step 2: Convert to fraction form
    13,972.39/19,281.81 = 7,598.80/x
  3. Step 3: Cross multiply
    13,972.39x = 19,281.81 × 7,598.80
  4. Step 4: Simplify right side
    13,972.39x = 146,518,617.83
  5. Step 5: Solve for x
    x = 146,518,617.83/13,972.39
  6. Step 6: Final answer
    x = 10,486.30

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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.