Home / 22,946.52-31,666.22-13,392.96

Finding the Fourth Proportional to 22,946.52, 31,666.22 and 13,392.96

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Solution

The fourth proportional to 22,946.52, 31,666.22 and 13,392.96 is: 18,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,946.52 : 31,666.22 = 13,392.96 : x
  2. Step 2: Convert to fraction form
    22,946.52/31,666.22 = 13,392.96/x
  3. Step 3: Cross multiply
    22,946.52x = 31,666.22 × 13,392.96
  4. Step 4: Simplify right side
    22,946.52x = 424,104,417.81
  5. Step 5: Solve for x
    x = 424,104,417.81/22,946.52
  6. Step 6: Final answer
    x = 18,482.30

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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.