Home / 35,975.68-53,970.72-13,788.16

Finding the Fourth Proportional to 35,975.68, 53,970.72 and 13,788.16

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Solution

The fourth proportional to 35,975.68, 53,970.72 and 13,788.16 is: 20,685.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,975.68 : 53,970.72 = 13,788.16 : x
  2. Step 2: Convert to fraction form
    35,975.68/53,970.72 = 13,788.16/x
  3. Step 3: Cross multiply
    35,975.68x = 53,970.72 × 13,788.16
  4. Step 4: Simplify right side
    35,975.68x = 744,156,922.68
  5. Step 5: Solve for x
    x = 744,156,922.68/35,975.68
  6. Step 6: Final answer
    x = 20,685.00

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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.