Home / 14,920.16-20,554.26-10,435.52

Finding the Fourth Proportional to 14,920.16, 20,554.26 and 10,435.52

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Solution

The fourth proportional to 14,920.16, 20,554.26 and 10,435.52 is: 14,376.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,920.16 : 20,554.26 = 10,435.52 : x
  2. Step 2: Convert to fraction form
    14,920.16/20,554.26 = 10,435.52/x
  3. Step 3: Cross multiply
    14,920.16x = 20,554.26 × 10,435.52
  4. Step 4: Simplify right side
    14,920.16x = 214,494,391.32
  5. Step 5: Solve for x
    x = 214,494,391.32/14,920.16
  6. Step 6: Final answer
    x = 14,376.15

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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.