Home / 18,427.65-25,430.84-10,471.23

Finding the Fourth Proportional to 18,427.65, 25,430.84 and 10,471.23

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Solution

The fourth proportional to 18,427.65, 25,430.84 and 10,471.23 is: 14,450.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.65 : 25,430.84 = 10,471.23 : x
  2. Step 2: Convert to fraction form
    18,427.65/25,430.84 = 10,471.23/x
  3. Step 3: Cross multiply
    18,427.65x = 25,430.84 × 10,471.23
  4. Step 4: Simplify right side
    18,427.65x = 266,292,122.38
  5. Step 5: Solve for x
    x = 266,292,122.38/18,427.65
  6. Step 6: Final answer
    x = 14,450.68

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Half scale
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Double scale
Find fourth proportional to 18,428.65, 25,432.22 and 10,472.23
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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.