Home / 35,631.58-53,406.06-13,430.74

Finding the Fourth Proportional to 35,631.58, 53,406.06 and 13,430.74

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Solution

The fourth proportional to 35,631.58, 53,406.06 and 13,430.74 is: 20,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,631.58 : 53,406.06 = 13,430.74 : x
  2. Step 2: Convert to fraction form
    35,631.58/53,406.06 = 13,430.74/x
  3. Step 3: Cross multiply
    35,631.58x = 53,406.06 × 13,430.74
  4. Step 4: Simplify right side
    35,631.58x = 717,282,906.28
  5. Step 5: Solve for x
    x = 717,282,906.28/35,631.58
  6. Step 6: Final answer
    x = 20,130.54

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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.