Home / 23,491.16-32,417.65-12,880.79

Finding the Fourth Proportional to 23,491.16, 32,417.65 and 12,880.79

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Solution

The fourth proportional to 23,491.16, 32,417.65 and 12,880.79 is: 17,775.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,491.16 : 32,417.65 = 12,880.79 : x
  2. Step 2: Convert to fraction form
    23,491.16/32,417.65 = 12,880.79/x
  3. Step 3: Cross multiply
    23,491.16x = 32,417.65 × 12,880.79
  4. Step 4: Simplify right side
    23,491.16x = 417,564,941.94
  5. Step 5: Solve for x
    x = 417,564,941.94/23,491.16
  6. Step 6: Final answer
    x = 17,775.41

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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.