Home / 28,533.48-42,812.52-11,015.64

Finding the Fourth Proportional to 28,533.48, 42,812.52 and 11,015.64

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Solution

The fourth proportional to 28,533.48, 42,812.52 and 11,015.64 is: 16,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,533.48 : 42,812.52 = 11,015.64 : x
  2. Step 2: Convert to fraction form
    28,533.48/42,812.52 = 11,015.64/x
  3. Step 3: Cross multiply
    28,533.48x = 42,812.52 × 11,015.64
  4. Step 4: Simplify right side
    28,533.48x = 471,607,307.81
  5. Step 5: Solve for x
    x = 471,607,307.81/28,533.48
  6. Step 6: Final answer
    x = 16,528.21

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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.