Home / 23,381.12-32,253.96-15,827.72

Finding the Fourth Proportional to 23,381.12, 32,253.96 and 15,827.72

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Solution

The fourth proportional to 23,381.12, 32,253.96 and 15,827.72 is: 21,834.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,381.12 : 32,253.96 = 15,827.72 : x
  2. Step 2: Convert to fraction form
    23,381.12/32,253.96 = 15,827.72/x
  3. Step 3: Cross multiply
    23,381.12x = 32,253.96 × 15,827.72
  4. Step 4: Simplify right side
    23,381.12x = 510,506,647.77
  5. Step 5: Solve for x
    x = 510,506,647.77/23,381.12
  6. Step 6: Final answer
    x = 21,834.14

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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.