Home / 23,153.52-31,952.01-12,543.16

Finding the Fourth Proportional to 23,153.52, 31,952.01 and 12,543.16

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Solution

The fourth proportional to 23,153.52, 31,952.01 and 12,543.16 is: 17,309.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,153.52 : 31,952.01 = 12,543.16 : x
  2. Step 2: Convert to fraction form
    23,153.52/31,952.01 = 12,543.16/x
  3. Step 3: Cross multiply
    23,153.52x = 31,952.01 × 12,543.16
  4. Step 4: Simplify right side
    23,153.52x = 400,779,013.99
  5. Step 5: Solve for x
    x = 400,779,013.99/23,153.52
  6. Step 6: Final answer
    x = 17,309.64

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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.