Home / 30,328.65-45,491.42-11,607.25

Finding the Fourth Proportional to 30,328.65, 45,491.42 and 11,607.25

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Solution

The fourth proportional to 30,328.65, 45,491.42 and 11,607.25 is: 17,410.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,328.65 : 45,491.42 = 11,607.25 : x
  2. Step 2: Convert to fraction form
    30,328.65/45,491.42 = 11,607.25/x
  3. Step 3: Cross multiply
    30,328.65x = 45,491.42 × 11,607.25
  4. Step 4: Simplify right side
    30,328.65x = 528,030,284.80
  5. Step 5: Solve for x
    x = 528,030,284.80/30,328.65
  6. Step 6: Final answer
    x = 17,410.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.