Home / 23,312.52-32,161.02-15,756.09

Finding the Fourth Proportional to 23,312.52, 32,161.02 and 15,756.09

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Solution

The fourth proportional to 23,312.52, 32,161.02 and 15,756.09 is: 21,736.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,312.52 : 32,161.02 = 15,756.09 : x
  2. Step 2: Convert to fraction form
    23,312.52/32,161.02 = 15,756.09/x
  3. Step 3: Cross multiply
    23,312.52x = 32,161.02 × 15,756.09
  4. Step 4: Simplify right side
    23,312.52x = 506,731,925.61
  5. Step 5: Solve for x
    x = 506,731,925.61/23,312.52
  6. Step 6: Final answer
    x = 21,736.47

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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.