Home / 23,689.48-32,690.64-13,079.08

Finding the Fourth Proportional to 23,689.48, 32,690.64 and 13,079.08

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Solution

The fourth proportional to 23,689.48, 32,690.64 and 13,079.08 is: 18,048.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,689.48 : 32,690.64 = 13,079.08 : x
  2. Step 2: Convert to fraction form
    23,689.48/32,690.64 = 13,079.08/x
  3. Step 3: Cross multiply
    23,689.48x = 32,690.64 × 13,079.08
  4. Step 4: Simplify right side
    23,689.48x = 427,563,495.81
  5. Step 5: Solve for x
    x = 427,563,495.81/23,689.48
  6. Step 6: Final answer
    x = 18,048.67

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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.