Home / 15,534.27-21,441.40-9,570.92

Finding the Fourth Proportional to 15,534.27, 21,441.40 and 9,570.92

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Solution

The fourth proportional to 15,534.27, 21,441.40 and 9,570.92 is: 13,210.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,534.27 : 21,441.40 = 9,570.92 : x
  2. Step 2: Convert to fraction form
    15,534.27/21,441.40 = 9,570.92/x
  3. Step 3: Cross multiply
    15,534.27x = 21,441.40 × 9,570.92
  4. Step 4: Simplify right side
    15,534.27x = 205,213,792.95
  5. Step 5: Solve for x
    x = 205,213,792.95/15,534.27
  6. Step 6: Final answer
    x = 13,210.39

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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.