Home / 15,902.58-21,955.68-10,875.18

Finding the Fourth Proportional to 15,902.58, 21,955.68 and 10,875.18

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Solution

The fourth proportional to 15,902.58, 21,955.68 and 10,875.18 is: 15,014.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902.58 : 21,955.68 = 10,875.18 : x
  2. Step 2: Convert to fraction form
    15,902.58/21,955.68 = 10,875.18/x
  3. Step 3: Cross multiply
    15,902.58x = 21,955.68 × 10,875.18
  4. Step 4: Simplify right side
    15,902.58x = 238,771,972.02
  5. Step 5: Solve for x
    x = 238,771,972.02/15,902.58
  6. Step 6: Final answer
    x = 15,014.67

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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.