Home / 13,047.60-19,571.18-9,041.28

Finding the Fourth Proportional to 13,047.60, 19,571.18 and 9,041.28

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Solution

The fourth proportional to 13,047.60, 19,571.18 and 9,041.28 is: 13,561.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.60 : 19,571.18 = 9,041.28 : x
  2. Step 2: Convert to fraction form
    13,047.60/19,571.18 = 9,041.28/x
  3. Step 3: Cross multiply
    13,047.60x = 19,571.18 × 9,041.28
  4. Step 4: Simplify right side
    13,047.60x = 176,948,518.31
  5. Step 5: Solve for x
    x = 176,948,518.31/13,047.60
  6. Step 6: Final answer
    x = 13,561.77

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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.