Home / 14,980.50-22,356.84-13,319.81

Finding the Fourth Proportional to 14,980.50, 22,356.84 and 13,319.81

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Solution

The fourth proportional to 14,980.50, 22,356.84 and 13,319.81 is: 19,878.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980.50 : 22,356.84 = 13,319.81 : x
  2. Step 2: Convert to fraction form
    14,980.50/22,356.84 = 13,319.81/x
  3. Step 3: Cross multiply
    14,980.50x = 22,356.84 × 13,319.81
  4. Step 4: Simplify right side
    14,980.50x = 297,788,749.22
  5. Step 5: Solve for x
    x = 297,788,749.22/14,980.50
  6. Step 6: Final answer
    x = 19,878.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.