Home / 13,828.96-19,084.08-7,541.32

Finding the Fourth Proportional to 13,828.96, 19,084.08 and 7,541.32

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Solution

The fourth proportional to 13,828.96, 19,084.08 and 7,541.32 is: 10,407.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.96 : 19,084.08 = 7,541.32 : x
  2. Step 2: Convert to fraction form
    13,828.96/19,084.08 = 7,541.32/x
  3. Step 3: Cross multiply
    13,828.96x = 19,084.08 × 7,541.32
  4. Step 4: Simplify right side
    13,828.96x = 143,919,154.19
  5. Step 5: Solve for x
    x = 143,919,154.19/13,828.96
  6. Step 6: Final answer
    x = 10,407.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.