Home / 18,117.60-25,002.28-10,564.26

Finding the Fourth Proportional to 18,117.60, 25,002.28 and 10,564.26

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Solution

The fourth proportional to 18,117.60, 25,002.28 and 10,564.26 is: 14,578.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.60 : 25,002.28 = 10,564.26 : x
  2. Step 2: Convert to fraction form
    18,117.60/25,002.28 = 10,564.26/x
  3. Step 3: Cross multiply
    18,117.60x = 25,002.28 × 10,564.26
  4. Step 4: Simplify right side
    18,117.60x = 264,130,586.51
  5. Step 5: Solve for x
    x = 264,130,586.51/18,117.60
  6. Step 6: Final answer
    x = 14,578.67

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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.