Home / 15,333.35-22,888.13-13,156.07

Finding the Fourth Proportional to 15,333.35, 22,888.13 and 13,156.07

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Solution

The fourth proportional to 15,333.35, 22,888.13 and 13,156.07 is: 19,638.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,333.35 : 22,888.13 = 13,156.07 : x
  2. Step 2: Convert to fraction form
    15,333.35/22,888.13 = 13,156.07/x
  3. Step 3: Cross multiply
    15,333.35x = 22,888.13 × 13,156.07
  4. Step 4: Simplify right side
    15,333.35x = 301,117,660.23
  5. Step 5: Solve for x
    x = 301,117,660.23/15,333.35
  6. Step 6: Final answer
    x = 19,638.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.