Home / 19,058.88-28,606.20-10,300.68

Finding the Fourth Proportional to 19,058.88, 28,606.20 and 10,300.68

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Solution

The fourth proportional to 19,058.88, 28,606.20 and 10,300.68 is: 15,460.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,058.88 : 28,606.20 = 10,300.68 : x
  2. Step 2: Convert to fraction form
    19,058.88/28,606.20 = 10,300.68/x
  3. Step 3: Cross multiply
    19,058.88x = 28,606.20 × 10,300.68
  4. Step 4: Simplify right side
    19,058.88x = 294,663,312.22
  5. Step 5: Solve for x
    x = 294,663,312.22/19,058.88
  6. Step 6: Final answer
    x = 15,460.68

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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.