Home / 15,526.13-21,440.63-10,823.45

Finding the Fourth Proportional to 15,526.13, 21,440.63 and 10,823.45

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Solution

The fourth proportional to 15,526.13, 21,440.63 and 10,823.45 is: 14,946.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.13 : 21,440.63 = 10,823.45 : x
  2. Step 2: Convert to fraction form
    15,526.13/21,440.63 = 10,823.45/x
  3. Step 3: Cross multiply
    15,526.13x = 21,440.63 × 10,823.45
  4. Step 4: Simplify right side
    15,526.13x = 232,061,506.63
  5. Step 5: Solve for x
    x = 232,061,506.63/15,526.13
  6. Step 6: Final answer
    x = 14,946.52

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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.