Home / 16,764.03-23,130.63-9,689.22

Finding the Fourth Proportional to 16,764.03, 23,130.63 and 9,689.22

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Solution

The fourth proportional to 16,764.03, 23,130.63 and 9,689.22 is: 13,368.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,764.03 : 23,130.63 = 9,689.22 : x
  2. Step 2: Convert to fraction form
    16,764.03/23,130.63 = 9,689.22/x
  3. Step 3: Cross multiply
    16,764.03x = 23,130.63 × 9,689.22
  4. Step 4: Simplify right side
    16,764.03x = 224,117,762.81
  5. Step 5: Solve for x
    x = 224,117,762.81/16,764.03
  6. Step 6: Final answer
    x = 13,368.97

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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.