Home / 23,607.78-32,570.40-15,111.28

Finding the Fourth Proportional to 23,607.78, 32,570.40 and 15,111.28

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Solution

The fourth proportional to 23,607.78, 32,570.40 and 15,111.28 is: 20,848.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,607.78 : 32,570.40 = 15,111.28 : x
  2. Step 2: Convert to fraction form
    23,607.78/32,570.40 = 15,111.28/x
  3. Step 3: Cross multiply
    23,607.78x = 32,570.40 × 15,111.28
  4. Step 4: Simplify right side
    23,607.78x = 492,180,434.11
  5. Step 5: Solve for x
    x = 492,180,434.11/23,607.78
  6. Step 6: Final answer
    x = 20,848.23

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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.