Home / 35,372.03-53,061.48-12,888.81

Finding the Fourth Proportional to 35,372.03, 53,061.48 and 12,888.81

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Solution

The fourth proportional to 35,372.03, 53,061.48 and 12,888.81 is: 19,334.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,372.03 : 53,061.48 = 12,888.81 : x
  2. Step 2: Convert to fraction form
    35,372.03/53,061.48 = 12,888.81/x
  3. Step 3: Cross multiply
    35,372.03x = 53,061.48 × 12,888.81
  4. Step 4: Simplify right side
    35,372.03x = 683,899,334.04
  5. Step 5: Solve for x
    x = 683,899,334.04/35,372.03
  6. Step 6: Final answer
    x = 19,334.47

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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.