Home / 35,870.08-53,792.08-13,689.60

Finding the Fourth Proportional to 35,870.08, 53,792.08 and 13,689.60

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Solution

The fourth proportional to 35,870.08, 53,792.08 and 13,689.60 is: 20,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,870.08 : 53,792.08 = 13,689.60 : x
  2. Step 2: Convert to fraction form
    35,870.08/53,792.08 = 13,689.60/x
  3. Step 3: Cross multiply
    35,870.08x = 53,792.08 × 13,689.60
  4. Step 4: Simplify right side
    35,870.08x = 736,392,058.37
  5. Step 5: Solve for x
    x = 736,392,058.37/35,870.08
  6. Step 6: Final answer
    x = 20,529.42

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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.