Home / 35,779.38-53,683.20-13,598.64

Finding the Fourth Proportional to 35,779.38, 53,683.20 and 13,598.64

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Solution

The fourth proportional to 35,779.38, 53,683.20 and 13,598.64 is: 20,403.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,779.38 : 53,683.20 = 13,598.64 : x
  2. Step 2: Convert to fraction form
    35,779.38/53,683.20 = 13,598.64/x
  3. Step 3: Cross multiply
    35,779.38x = 53,683.20 × 13,598.64
  4. Step 4: Simplify right side
    35,779.38x = 730,018,510.85
  5. Step 5: Solve for x
    x = 730,018,510.85/35,779.38
  6. Step 6: Final answer
    x = 20,403.33

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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.