Home / 22,946.48-31,666.68-12,875.92

Finding the Fourth Proportional to 22,946.48, 31,666.68 and 12,875.92

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Solution

The fourth proportional to 22,946.48, 31,666.68 and 12,875.92 is: 17,769.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,946.48 : 31,666.68 = 12,875.92 : x
  2. Step 2: Convert to fraction form
    22,946.48/31,666.68 = 12,875.92/x
  3. Step 3: Cross multiply
    22,946.48x = 31,666.68 × 12,875.92
  4. Step 4: Simplify right side
    22,946.48x = 407,737,638.35
  5. Step 5: Solve for x
    x = 407,737,638.35/22,946.48
  6. Step 6: Final answer
    x = 17,769.07

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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.