Home / 18,128.34-25,014.81-10,577.16

Finding the Fourth Proportional to 18,128.34, 25,014.81 and 10,577.16

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Solution

The fourth proportional to 18,128.34, 25,014.81 and 10,577.16 is: 14,595.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,128.34 : 25,014.81 = 10,577.16 : x
  2. Step 2: Convert to fraction form
    18,128.34/25,014.81 = 10,577.16/x
  3. Step 3: Cross multiply
    18,128.34x = 25,014.81 × 10,577.16
  4. Step 4: Simplify right side
    18,128.34x = 264,585,647.74
  5. Step 5: Solve for x
    x = 264,585,647.74/18,128.34
  6. Step 6: Final answer
    x = 14,595.14

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Half scale
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Double scale
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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.