Home / 24,750.77-34,155.93-13,420.51

Finding the Fourth Proportional to 24,750.77, 34,155.93 and 13,420.51

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Solution

The fourth proportional to 24,750.77, 34,155.93 and 13,420.51 is: 18,520.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,750.77 : 34,155.93 = 13,420.51 : x
  2. Step 2: Convert to fraction form
    24,750.77/34,155.93 = 13,420.51/x
  3. Step 3: Cross multiply
    24,750.77x = 34,155.93 × 13,420.51
  4. Step 4: Simplify right side
    24,750.77x = 458,389,985.63
  5. Step 5: Solve for x
    x = 458,389,985.63/24,750.77
  6. Step 6: Final answer
    x = 18,520.24

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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.