Home / 16,776.81-23,154.12-9,703.08

Finding the Fourth Proportional to 16,776.81, 23,154.12 and 9,703.08

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Solution

The fourth proportional to 16,776.81, 23,154.12 and 9,703.08 is: 13,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,776.81 : 23,154.12 = 9,703.08 : x
  2. Step 2: Convert to fraction form
    16,776.81/23,154.12 = 9,703.08/x
  3. Step 3: Cross multiply
    16,776.81x = 23,154.12 × 9,703.08
  4. Step 4: Simplify right side
    16,776.81x = 224,666,278.69
  5. Step 5: Solve for x
    x = 224,666,278.69/16,776.81
  6. Step 6: Final answer
    x = 13,391.48

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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.