Home / 19,314.09-28,980.45-10,548.77

Finding the Fourth Proportional to 19,314.09, 28,980.45 and 10,548.77

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Solution

The fourth proportional to 19,314.09, 28,980.45 and 10,548.77 is: 15,828.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,314.09 : 28,980.45 = 10,548.77 : x
  2. Step 2: Convert to fraction form
    19,314.09/28,980.45 = 10,548.77/x
  3. Step 3: Cross multiply
    19,314.09x = 28,980.45 × 10,548.77
  4. Step 4: Simplify right side
    19,314.09x = 305,707,956.64
  5. Step 5: Solve for x
    x = 305,707,956.64/19,314.09
  6. Step 6: Final answer
    x = 15,828.24

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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.