Home / 15,281.87-21,095.88-9,624.93

Finding the Fourth Proportional to 15,281.87, 21,095.88 and 9,624.93

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Solution

The fourth proportional to 15,281.87, 21,095.88 and 9,624.93 is: 13,286.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,281.87 : 21,095.88 = 9,624.93 : x
  2. Step 2: Convert to fraction form
    15,281.87/21,095.88 = 9,624.93/x
  3. Step 3: Cross multiply
    15,281.87x = 21,095.88 × 9,624.93
  4. Step 4: Simplify right side
    15,281.87x = 203,046,262.81
  5. Step 5: Solve for x
    x = 203,046,262.81/15,281.87
  6. Step 6: Final answer
    x = 13,286.75

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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.