Home / 23,220.65-32,045.03-13,012.45

Finding the Fourth Proportional to 23,220.65, 32,045.03 and 13,012.45

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Solution

The fourth proportional to 23,220.65, 32,045.03 and 13,012.45 is: 17,957.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.65 : 32,045.03 = 13,012.45 : x
  2. Step 2: Convert to fraction form
    23,220.65/32,045.03 = 13,012.45/x
  3. Step 3: Cross multiply
    23,220.65x = 32,045.03 × 13,012.45
  4. Step 4: Simplify right side
    23,220.65x = 416,984,205.45
  5. Step 5: Solve for x
    x = 416,984,205.45/23,220.65
  6. Step 6: Final answer
    x = 17,957.47

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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.