Home / 25,005.51-34,491.35-16,038.81

Finding the Fourth Proportional to 25,005.51, 34,491.35 and 16,038.81

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Solution

The fourth proportional to 25,005.51, 34,491.35 and 16,038.81 is: 22,123.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,005.51 : 34,491.35 = 16,038.81 : x
  2. Step 2: Convert to fraction form
    25,005.51/34,491.35 = 16,038.81/x
  3. Step 3: Cross multiply
    25,005.51x = 34,491.35 × 16,038.81
  4. Step 4: Simplify right side
    25,005.51x = 553,200,129.10
  5. Step 5: Solve for x
    x = 553,200,129.10/25,005.51
  6. Step 6: Final answer
    x = 22,123.13

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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.