Home / 16,389.54-24,572.16-5,290.11

Finding the Fourth Proportional to 16,389.54, 24,572.16 and 5,290.11

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Solution

The fourth proportional to 16,389.54, 24,572.16 and 5,290.11 is: 7,931.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.54 : 24,572.16 = 5,290.11 : x
  2. Step 2: Convert to fraction form
    16,389.54/24,572.16 = 5,290.11/x
  3. Step 3: Cross multiply
    16,389.54x = 24,572.16 × 5,290.11
  4. Step 4: Simplify right side
    16,389.54x = 129,989,429.34
  5. Step 5: Solve for x
    x = 129,989,429.34/16,389.54
  6. Step 6: Final answer
    x = 7,931.24

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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.