Home / 55,623.90-83,435.12-13,504.32

Finding the Fourth Proportional to 55,623.90, 83,435.12 and 13,504.32

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Solution

The fourth proportional to 55,623.90, 83,435.12 and 13,504.32 is: 20,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,623.90 : 83,435.12 = 13,504.32 : x
  2. Step 2: Convert to fraction form
    55,623.90/83,435.12 = 13,504.32/x
  3. Step 3: Cross multiply
    55,623.90x = 83,435.12 × 13,504.32
  4. Step 4: Simplify right side
    55,623.90x = 1,126,734,492.20
  5. Step 5: Solve for x
    x = 1,126,734,492.20/55,623.90
  6. Step 6: Final answer
    x = 20,256.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.