Home / 23,881.11-32,970.69-15,386.24

Finding the Fourth Proportional to 23,881.11, 32,970.69 and 15,386.24

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Solution

The fourth proportional to 23,881.11, 32,970.69 and 15,386.24 is: 21,242.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,881.11 : 32,970.69 = 15,386.24 : x
  2. Step 2: Convert to fraction form
    23,881.11/32,970.69 = 15,386.24/x
  3. Step 3: Cross multiply
    23,881.11x = 32,970.69 × 15,386.24
  4. Step 4: Simplify right side
    23,881.11x = 507,294,784.45
  5. Step 5: Solve for x
    x = 507,294,784.45/23,881.11
  6. Step 6: Final answer
    x = 21,242.51

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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.