Home / 35,883.16-53,828.41-13,715.20

Finding the Fourth Proportional to 35,883.16, 53,828.41 and 13,715.20

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Solution

The fourth proportional to 35,883.16, 53,828.41 and 13,715.20 is: 20,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,883.16 : 53,828.41 = 13,715.20 : x
  2. Step 2: Convert to fraction form
    35,883.16/53,828.41 = 13,715.20/x
  3. Step 3: Cross multiply
    35,883.16x = 53,828.41 × 13,715.20
  4. Step 4: Simplify right side
    35,883.16x = 738,267,139.69
  5. Step 5: Solve for x
    x = 738,267,139.69/35,883.16
  6. Step 6: Final answer
    x = 20,574.20

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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.