Home / 23,278.74-32,124.76-12,668.36

Finding the Fourth Proportional to 23,278.74, 32,124.76 and 12,668.36

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Solution

The fourth proportional to 23,278.74, 32,124.76 and 12,668.36 is: 17,482.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.74 : 32,124.76 = 12,668.36 : x
  2. Step 2: Convert to fraction form
    23,278.74/32,124.76 = 12,668.36/x
  3. Step 3: Cross multiply
    23,278.74x = 32,124.76 × 12,668.36
  4. Step 4: Simplify right side
    23,278.74x = 406,968,024.59
  5. Step 5: Solve for x
    x = 406,968,024.59/23,278.74
  6. Step 6: Final answer
    x = 17,482.39

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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.