Home / 18,488.93-25,515.74-10,533.65

Finding the Fourth Proportional to 18,488.93, 25,515.74 and 10,533.65

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Solution

The fourth proportional to 18,488.93, 25,515.74 and 10,533.65 is: 14,537.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488.93 : 25,515.74 = 10,533.65 : x
  2. Step 2: Convert to fraction form
    18,488.93/25,515.74 = 10,533.65/x
  3. Step 3: Cross multiply
    18,488.93x = 25,515.74 × 10,533.65
  4. Step 4: Simplify right side
    18,488.93x = 268,773,773.41
  5. Step 5: Solve for x
    x = 268,773,773.41/18,488.93
  6. Step 6: Final answer
    x = 14,537.01

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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.