Home / 46,389.56-69,588.90-13,109.88

Finding the Fourth Proportional to 46,389.56, 69,588.90 and 13,109.88

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Solution

The fourth proportional to 46,389.56, 69,588.90 and 13,109.88 is: 19,666.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,389.56 : 69,588.90 = 13,109.88 : x
  2. Step 2: Convert to fraction form
    46,389.56/69,588.90 = 13,109.88/x
  3. Step 3: Cross multiply
    46,389.56x = 69,588.90 × 13,109.88
  4. Step 4: Simplify right side
    46,389.56x = 912,302,062.78
  5. Step 5: Solve for x
    x = 912,302,062.78/46,389.56
  6. Step 6: Final answer
    x = 19,666.11

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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.