Home / 32,880.13-45,363.47-18,722.95

Finding the Fourth Proportional to 32,880.13, 45,363.47 and 18,722.95

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Solution

The fourth proportional to 32,880.13, 45,363.47 and 18,722.95 is: 25,831.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,880.13 : 45,363.47 = 18,722.95 : x
  2. Step 2: Convert to fraction form
    32,880.13/45,363.47 = 18,722.95/x
  3. Step 3: Cross multiply
    32,880.13x = 45,363.47 × 18,722.95
  4. Step 4: Simplify right side
    32,880.13x = 849,337,980.64
  5. Step 5: Solve for x
    x = 849,337,980.64/32,880.13
  6. Step 6: Final answer
    x = 25,831.34

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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.