Home / 23,278.51-32,124.96-12,668.80

Finding the Fourth Proportional to 23,278.51, 32,124.96 and 12,668.80

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Solution

The fourth proportional to 23,278.51, 32,124.96 and 12,668.80 is: 17,483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.51 : 32,124.96 = 12,668.80 : x
  2. Step 2: Convert to fraction form
    23,278.51/32,124.96 = 12,668.80/x
  3. Step 3: Cross multiply
    23,278.51x = 32,124.96 × 12,668.80
  4. Step 4: Simplify right side
    23,278.51x = 406,984,693.25
  5. Step 5: Solve for x
    x = 406,984,693.25/23,278.51
  6. Step 6: Final answer
    x = 17,483.28

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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.