Home / 38,355.60-57,533.40-10,653.60

Finding the Fourth Proportional to 38,355.60, 57,533.40 and 10,653.60

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Solution

The fourth proportional to 38,355.60, 57,533.40 and 10,653.60 is: 15,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,355.60 : 57,533.40 = 10,653.60 : x
  2. Step 2: Convert to fraction form
    38,355.60/57,533.40 = 10,653.60/x
  3. Step 3: Cross multiply
    38,355.60x = 57,533.40 × 10,653.60
  4. Step 4: Simplify right side
    38,355.60x = 612,937,830.24
  5. Step 5: Solve for x
    x = 612,937,830.24/38,355.60
  6. Step 6: Final answer
    x = 15,980.40

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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.