Home / 14,554.06-20,038.54-13,223.78

Finding the Fourth Proportional to 14,554.06, 20,038.54 and 13,223.78

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Solution

The fourth proportional to 14,554.06, 20,038.54 and 13,223.78 is: 18,206.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,554.06 : 20,038.54 = 13,223.78 : x
  2. Step 2: Convert to fraction form
    14,554.06/20,038.54 = 13,223.78/x
  3. Step 3: Cross multiply
    14,554.06x = 20,038.54 × 13,223.78
  4. Step 4: Simplify right side
    14,554.06x = 264,985,244.48
  5. Step 5: Solve for x
    x = 264,985,244.48/14,554.06
  6. Step 6: Final answer
    x = 18,206.96

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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.