Home / 35,485.93-53,219.81-10,520.14

Finding the Fourth Proportional to 35,485.93, 53,219.81 and 10,520.14

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Solution

The fourth proportional to 35,485.93, 53,219.81 and 10,520.14 is: 15,777.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,485.93 : 53,219.81 = 10,520.14 : x
  2. Step 2: Convert to fraction form
    35,485.93/53,219.81 = 10,520.14/x
  3. Step 3: Cross multiply
    35,485.93x = 53,219.81 × 10,520.14
  4. Step 4: Simplify right side
    35,485.93x = 559,879,851.97
  5. Step 5: Solve for x
    x = 559,879,851.97/35,485.93
  6. Step 6: Final answer
    x = 15,777.52

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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.