Home / 23,278.61-32,125.28-12,668.64

Finding the Fourth Proportional to 23,278.61, 32,125.28 and 12,668.64

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Solution

The fourth proportional to 23,278.61, 32,125.28 and 12,668.64 is: 17,483.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.61 : 32,125.28 = 12,668.64 : x
  2. Step 2: Convert to fraction form
    23,278.61/32,125.28 = 12,668.64/x
  3. Step 3: Cross multiply
    23,278.61x = 32,125.28 × 12,668.64
  4. Step 4: Simplify right side
    23,278.61x = 406,983,607.22
  5. Step 5: Solve for x
    x = 406,983,607.22/23,278.61
  6. Step 6: Final answer
    x = 17,483.16

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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.