Home / 28,693.28-43,051-9,975.26

Finding the Fourth Proportional to 28,693.28, 43,051 and 9,975.26

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Solution

The fourth proportional to 28,693.28, 43,051 and 9,975.26 is: 14,966.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.28 : 43,051 = 9,975.26 : x
  2. Step 2: Convert to fraction form
    28,693.28/43,051 = 9,975.26/x
  3. Step 3: Cross multiply
    28,693.28x = 43,051 × 9,975.26
  4. Step 4: Simplify right side
    28,693.28x = 429,444,918.26
  5. Step 5: Solve for x
    x = 429,444,918.26/28,693.28
  6. Step 6: Final answer
    x = 14,966.74

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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.