Home / 14,094.76-20,981.08-13,884.55

Finding the Fourth Proportional to 14,094.76, 20,981.08 and 13,884.55

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Solution

The fourth proportional to 14,094.76, 20,981.08 and 13,884.55 is: 20,668.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,094.76 : 20,981.08 = 13,884.55 : x
  2. Step 2: Convert to fraction form
    14,094.76/20,981.08 = 13,884.55/x
  3. Step 3: Cross multiply
    14,094.76x = 20,981.08 × 13,884.55
  4. Step 4: Simplify right side
    14,094.76x = 291,312,696.86
  5. Step 5: Solve for x
    x = 291,312,696.86/14,094.76
  6. Step 6: Final answer
    x = 20,668.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.