Home / 14,953.02-20,623.05-13,156.62

Finding the Fourth Proportional to 14,953.02, 20,623.05 and 13,156.62

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Solution

The fourth proportional to 14,953.02, 20,623.05 and 13,156.62 is: 18,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,953.02 : 20,623.05 = 13,156.62 : x
  2. Step 2: Convert to fraction form
    14,953.02/20,623.05 = 13,156.62/x
  3. Step 3: Cross multiply
    14,953.02x = 20,623.05 × 13,156.62
  4. Step 4: Simplify right side
    14,953.02x = 271,329,632.09
  5. Step 5: Solve for x
    x = 271,329,632.09/14,953.02
  6. Step 6: Final answer
    x = 18,145.47

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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.