Home / 14,005.80-19,328.04-7,632.36

Finding the Fourth Proportional to 14,005.80, 19,328.04 and 7,632.36

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Solution

The fourth proportional to 14,005.80, 19,328.04 and 7,632.36 is: 10,532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.80 : 19,328.04 = 7,632.36 : x
  2. Step 2: Convert to fraction form
    14,005.80/19,328.04 = 7,632.36/x
  3. Step 3: Cross multiply
    14,005.80x = 19,328.04 × 7,632.36
  4. Step 4: Simplify right side
    14,005.80x = 147,518,559.37
  5. Step 5: Solve for x
    x = 147,518,559.37/14,005.80
  6. Step 6: Final answer
    x = 10,532.68

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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.