Home / 35,632.77-53,456.79-13,143.53

Finding the Fourth Proportional to 35,632.77, 53,456.79 and 13,143.53

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Solution

The fourth proportional to 35,632.77, 53,456.79 and 13,143.53 is: 19,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,632.77 : 53,456.79 = 13,143.53 : x
  2. Step 2: Convert to fraction form
    35,632.77/53,456.79 = 13,143.53/x
  3. Step 3: Cross multiply
    35,632.77x = 53,456.79 × 13,143.53
  4. Step 4: Simplify right side
    35,632.77x = 702,610,655.78
  5. Step 5: Solve for x
    x = 702,610,655.78/35,632.77
  6. Step 6: Final answer
    x = 19,718.10

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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.