Home / 20,583.60-30,875.13-5,001.18

Finding the Fourth Proportional to 20,583.60, 30,875.13 and 5,001.18

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Solution

The fourth proportional to 20,583.60, 30,875.13 and 5,001.18 is: 7,501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.60 : 30,875.13 = 5,001.18 : x
  2. Step 2: Convert to fraction form
    20,583.60/30,875.13 = 5,001.18/x
  3. Step 3: Cross multiply
    20,583.60x = 30,875.13 × 5,001.18
  4. Step 4: Simplify right side
    20,583.60x = 154,412,082.65
  5. Step 5: Solve for x
    x = 154,412,082.65/20,583.60
  6. Step 6: Final answer
    x = 7,501.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.